-*- Mode:Diff -*-
--- python3/PCbuild/_ctypes.vcxproj
+++ python3/PCbuild/_ctypes.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_ctypes_test.vcxproj
+++ python3/PCbuild/_ctypes_test.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_decimal.vcxproj
+++ python3/PCbuild/_decimal.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_elementtree.vcxproj
+++ python3/PCbuild/_elementtree.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_freeze_importlib.vcxproj
+++ python3/PCbuild/_freeze_importlib.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -28,23 +28,27 @@
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_msi.vcxproj
+++ python3/PCbuild/_msi.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_multiprocessing.vcxproj
+++ python3/PCbuild/_multiprocessing.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_socket.vcxproj
+++ python3/PCbuild/_socket.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_ssl.vcxproj
+++ python3/PCbuild/_ssl.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_testbuffer.vcxproj
+++ python3/PCbuild/_testbuffer.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/_testcapi.vcxproj
+++ python3/PCbuild/_testcapi.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/kill_python.vcxproj
+++ python3/PCbuild/kill_python.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -28,19 +28,23 @@
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/make_buildinfo.vcxproj
+++ python3/PCbuild/make_buildinfo.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
@@ -19,10 +19,12 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/make_versioninfo.vcxproj
+++ python3/PCbuild/make_versioninfo.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -27,17 +27,21 @@
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/pyexpat.vcxproj
+++ python3/PCbuild/pyexpat.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/pylauncher.vcxproj
+++ python3/PCbuild/pylauncher.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -43,47 +43,55 @@
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -308,4 +316,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
--- python3/PCbuild/python.vcxproj
+++ python3/PCbuild/python.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -42,41 +42,49 @@
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/pythoncore.vcxproj
+++ python3/PCbuild/pythoncore.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -42,35 +42,43 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/pywlauncher.vcxproj
+++ python3/PCbuild/pywlauncher.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -43,29 +43,41 @@
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'">
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'">
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'">
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/select.vcxproj
+++ python3/PCbuild/select.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/unicodedata.vcxproj
+++ python3/PCbuild/unicodedata.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/w9xpopen.vcxproj
+++ python3/PCbuild/w9xpopen.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
--- python3/PCbuild/winsound.vcxproj
+++ python3/PCbuild/winsound.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -44,39 +44,47 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
--- python3/PCbuild/xxlimited.vcxproj
+++ python3/PCbuild/xxlimited.vcxproj
@@ -1,5 +1,5 @@
 ﻿<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="PGInstrument|Win32">
       <Configuration>PGInstrument</Configuration>
@@ -36,31 +36,37 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
