diff --git a/PCbuild8/_ctypes/_ctypes.vcproj b/PCbuild8/_ctypes/_ctypes.vcproj
index 36877edf97e..85ca24bbee3 100644
--- a/PCbuild8/_ctypes/_ctypes.vcproj
+++ b/PCbuild8/_ctypes/_ctypes.vcproj
@@ -16,12 +16,15 @@
 		/>
 	</Platforms>
 	<ToolFiles>
+		<ToolFile
+			RelativePath=".\masm64.rules"
+		/>
 	</ToolFiles>
 	<Configurations>
 		<Configuration
 			Name="Debug|Win32"
 			ConfigurationType="2"
-			InheritedPropertySheets="..\pyd_d.vsprops"
+			InheritedPropertySheets="..\pyd_d.vsprops;.\_ctypes.vsprops"
 			CharacterSet="0"
 			>
 			<Tool
@@ -30,6 +33,9 @@
 			<Tool
 				Name="VCCustomBuildTool"
 			/>
+			<Tool
+				Name="MASM64"
+			/>
 			<Tool
 				Name="VCXMLDataGeneratorTool"
 			/>
@@ -42,7 +48,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -93,9 +99,8 @@
 		</Configuration>
 		<Configuration
 			Name="Debug|x64"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
 			ConfigurationType="2"
-			InheritedPropertySheets="..\pyd_d.vsprops"
+			InheritedPropertySheets="..\pyd_d.vsprops;.\_ctypes.vsprops"
 			CharacterSet="0"
 			>
 			<Tool
@@ -104,6 +109,9 @@
 			<Tool
 				Name="VCCustomBuildTool"
 			/>
+			<Tool
+				Name="MASM64"
+			/>
 			<Tool
 				Name="VCXMLDataGeneratorTool"
 			/>
@@ -117,7 +125,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -169,7 +177,7 @@
 		<Configuration
 			Name="Release|Win32"
 			ConfigurationType="2"
-			InheritedPropertySheets="..\pyd.vsprops"
+			InheritedPropertySheets="..\pyd.vsprops;.\_ctypes.vsprops"
 			CharacterSet="0"
 			WholeProgramOptimization="1"
 			>
@@ -179,6 +187,9 @@
 			<Tool
 				Name="VCCustomBuildTool"
 			/>
+			<Tool
+				Name="MASM64"
+			/>
 			<Tool
 				Name="VCXMLDataGeneratorTool"
 			/>
@@ -190,7 +201,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -243,7 +254,7 @@
 		<Configuration
 			Name="Release|x64"
 			ConfigurationType="2"
-			InheritedPropertySheets="..\pyd.vsprops"
+			InheritedPropertySheets="..\pyd.vsprops;.\_ctypes.vsprops"
 			CharacterSet="0"
 			WholeProgramOptimization="1"
 			>
@@ -253,6 +264,9 @@
 			<Tool
 				Name="VCCustomBuildTool"
 			/>
+			<Tool
+				Name="MASM64"
+			/>
 			<Tool
 				Name="VCXMLDataGeneratorTool"
 			/>
@@ -265,7 +279,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -318,7 +332,7 @@
 		<Configuration
 			Name="PGInstrument|Win32"
 			ConfigurationType="2"
-			InheritedPropertySheets="..\pyd.vsprops;..\PGInstrument.vsprops"
+			InheritedPropertySheets="..\pyd.vsprops;..\PGInstrument.vsprops;.\_ctypes.vsprops"
 			CharacterSet="0"
 			WholeProgramOptimization="1"
 			>
@@ -328,6 +342,9 @@
 			<Tool
 				Name="VCCustomBuildTool"
 			/>
+			<Tool
+				Name="MASM64"
+			/>
 			<Tool
 				Name="VCXMLDataGeneratorTool"
 			/>
@@ -339,7 +356,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -392,7 +409,7 @@
 		<Configuration
 			Name="PGInstrument|x64"
 			ConfigurationType="2"
-			InheritedPropertySheets="..\pyd.vsprops;..\PGInstrument.vsprops"
+			InheritedPropertySheets="..\pyd.vsprops;..\PGInstrument.vsprops;.\_ctypes.vsprops"
 			CharacterSet="0"
 			WholeProgramOptimization="1"
 			>
@@ -402,6 +419,9 @@
 			<Tool
 				Name="VCCustomBuildTool"
 			/>
+			<Tool
+				Name="MASM64"
+			/>
 			<Tool
 				Name="VCXMLDataGeneratorTool"
 			/>
@@ -414,7 +434,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -467,7 +487,7 @@
 		<Configuration
 			Name="PGUpdate|Win32"
 			ConfigurationType="2"
-			InheritedPropertySheets="..\pyd.vsprops;..\PGUpdate.vsprops"
+			InheritedPropertySheets="..\pyd.vsprops;..\PGUpdate.vsprops;.\_ctypes.vsprops"
 			CharacterSet="0"
 			WholeProgramOptimization="1"
 			>
@@ -477,6 +497,9 @@
 			<Tool
 				Name="VCCustomBuildTool"
 			/>
+			<Tool
+				Name="MASM64"
+			/>
 			<Tool
 				Name="VCXMLDataGeneratorTool"
 			/>
@@ -488,7 +511,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -541,7 +564,7 @@
 		<Configuration
 			Name="PGUpdate|x64"
 			ConfigurationType="2"
-			InheritedPropertySheets="..\pyd.vsprops;..\PGUpdate.vsprops"
+			InheritedPropertySheets="..\pyd.vsprops;..\PGUpdate.vsprops;.\_ctypes.vsprops"
 			CharacterSet="0"
 			WholeProgramOptimization="1"
 			>
@@ -551,6 +574,9 @@
 			<Tool
 				Name="VCCustomBuildTool"
 			/>
+			<Tool
+				Name="MASM64"
+			/>
 			<Tool
 				Name="VCXMLDataGeneratorTool"
 			/>
@@ -563,7 +589,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -721,6 +747,74 @@
 			<File
 				RelativePath="..\..\Modules\_ctypes\libffi_msvc\win32.c"
 				>
+				<FileConfiguration
+					Name="Debug|x64"
+					ExcludedFromBuild="true"
+					>
+					<Tool
+						Name="VCCLCompilerTool"
+					/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|x64"
+					ExcludedFromBuild="true"
+					>
+					<Tool
+						Name="VCCLCompilerTool"
+					/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="PGInstrument|x64"
+					ExcludedFromBuild="true"
+					>
+					<Tool
+						Name="VCCLCompilerTool"
+					/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="PGUpdate|x64"
+					ExcludedFromBuild="true"
+					>
+					<Tool
+						Name="VCCLCompilerTool"
+					/>
+				</FileConfiguration>
+			</File>
+			<File
+				RelativePath="..\..\Modules\_ctypes\libffi_msvc\win64.asm"
+				>
+				<FileConfiguration
+					Name="Debug|Win32"
+					ExcludedFromBuild="true"
+					>
+					<Tool
+						Name="MASM64"
+					/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32"
+					ExcludedFromBuild="true"
+					>
+					<Tool
+						Name="MASM64"
+					/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="PGInstrument|Win32"
+					ExcludedFromBuild="true"
+					>
+					<Tool
+						Name="MASM64"
+					/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="PGUpdate|Win32"
+					ExcludedFromBuild="true"
+					>
+					<Tool
+						Name="MASM64"
+					/>
+				</FileConfiguration>
 			</File>
 		</Filter>
 		<Filter
diff --git a/PCbuild8/_ctypes/_ctypes.vsprops b/PCbuild8/_ctypes/_ctypes.vsprops
new file mode 100644
index 00000000000..28155bd6166
--- /dev/null
+++ b/PCbuild8/_ctypes/_ctypes.vsprops
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioPropertySheet
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="_ctypes"
+	>
+	<Tool
+		Name="VCCLCompilerTool"
+		AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+	/>
+	<Tool
+		Name="VCLinkerTool"
+		AdditionalOptions="/EXPORT:DllGetClassObject,PRIVATE /EXPORT:DllCanUnloadNow,PRIVATE"
+	/>
+</VisualStudioPropertySheet>
diff --git a/PCbuild8/_ctypes/masm64.rules b/PCbuild8/_ctypes/masm64.rules
new file mode 100644
index 00000000000..d25d86c5342
--- /dev/null
+++ b/PCbuild8/_ctypes/masm64.rules
@@ -0,0 +1,305 @@
+<?xml version="1.0" encoding="utf-8"?>
+<VisualStudioToolFile
+	Name="Microsoft Macro Assembler 64 bit"
+	Version="8.00"
+	>
+	<Rules>
+		<CustomBuildRule
+			Name="MASM64"
+			DisplayName="Microsoft Macro Assembler 64 bit"
+			CommandLine="ml64.exe /c [AllOptions] [AdditionalOptions] /Ta[inputs]"
+			Outputs="[$ObjectFileName]"
+			FileExtensions="*.asm"
+			ExecutionDescription="Assembling (x64) ..."
+			>
+			<Properties>
+				<BooleanProperty
+					Name="NoLogo"
+					DisplayName="Suppress Startup Banner"
+					Description="Suppress the display of the startup banner and information messages.     (/nologo)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/nologo"
+					DefaultValue="true"
+				/>
+				<StringProperty
+					Name="ObjectFileName"
+					DisplayName="Object File Name"
+					PropertyPageName="Object File"
+					Description="Specifies the name of the output object file.     (/Fo:[file])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Fo&quot;[value]&quot;"
+					DefaultValue="$(IntDir)\$(InputName).obj"
+				/>
+				<EnumProperty
+					Name="PreserveIdentifierCase"
+					DisplayName="Preserve Identifier Case"
+					Description="Specifies preservation of case of user identifiers.     (/Cp, /Cx)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					DefaultValue="0"
+					>
+					<Values>
+						<EnumValue
+							Value="0"
+							DisplayName="Default"
+						/>
+						<EnumValue
+							Value="1"
+							Switch="/Cp"
+							DisplayName="Preserves Identifier Case (/Cp)"
+						/>
+						<EnumValue
+							Value="3"
+							Switch="/Cx"
+							DisplayName="Preserves case in public and extern symbols. (/Cx)"
+						/>
+					</Values>
+				</EnumProperty>
+				<StringProperty
+					Name="PreprocessorDefinitions"
+					DisplayName="Preprocessor Definitions"
+					Description="Defines a text macro with the given name.     (/D[symbol])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/D&quot;[value]&quot;"
+					Delimited="true"
+					Inheritable="true"
+				/>
+				<BooleanProperty
+					Name="GeneratePreprocessedSourceListing"
+					DisplayName="Generate Preprocessed Source Listing"
+					PropertyPageName="Listing File"
+					Description="Generates a preprocessed source listing to the Output Window.     (/EP)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/EP"
+				/>
+				<StringProperty
+					Name="AssembledCodeListingFile"
+					DisplayName="Assembled Code Listing File"
+					PropertyPageName="Listing File"
+					Description="Generates an assembled code listing file.     (/Fl[file])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Fl&quot;[value]&quot;"
+				/>
+				<StringProperty
+					Name="SourceListingLineWidth"
+					DisplayName="Source Listing Line Width"
+					PropertyPageName="Listing File"
+					Description="Sets the line width of source listing in characters per line. Range is 60 to 255. Same as PAGE width.     (/Sl [width])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Sl [value]"
+				/>
+				<StringProperty
+					Name="SourceListingPageLength"
+					DisplayName="Source Listing Page Length"
+					PropertyPageName="Listing File"
+					Description="Sets the page length of source listing in lines per page. Range is 10 to 255. Same as PAGE length.     (/Sp [length])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Sp [value]"
+				/>
+				<StringProperty
+					Name="IncludePaths"
+					DisplayName="Include Paths"
+					Description="Sets path for include file. A maximum of 10 /I options is allowed.     (/I [path])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/I &quot;[value]&quot;"
+					Delimited="true"
+					Inheritable="true"
+				/>
+				<BooleanProperty
+					Name="ListAllAvailableInformation"
+					DisplayName="List All Available Information"
+					PropertyPageName="Listing File"
+					Description="Turns on listing of all available information.     (/Sa)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Sa"
+				/>
+				<BooleanProperty
+					Name="AddFirstPassListing"
+					DisplayName="Add First Pass Listing"
+					PropertyPageName="Listing File"
+					Description="Adds first-pass listing to listing file.     (/Sf)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Sf"
+				/>
+				<BooleanProperty
+					Name="EnableAssemblyGeneratedCodeListing"
+					DisplayName="Enable Assembly Generated Code Listing"
+					PropertyPageName="Listing File"
+					Description="Turns on listing of assembly-generated code.     (/Sg)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Sg"
+				/>
+				<BooleanProperty
+					Name="DisableSymbolTable"
+					DisplayName="Disable Symbol Table"
+					PropertyPageName="Listing File"
+					Description="Turns off symbol table when producing a listing.     (/Sn)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Sn"
+				/>
+				<StringProperty
+					Name="SourceListingSubTitle"
+					DisplayName="Source Listing Subtitle"
+					PropertyPageName="Listing File"
+					Description="Specifies subtitle text for source listing. Same as SUBTITLE text.     (/Ss [subtitle])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Ss [value]"
+				/>
+				<StringProperty
+					Name="SourceListingTitle"
+					DisplayName="Source Listing Title"
+					PropertyPageName="Listing File"
+					Description="Specifies title for source listing. Same as TITLE text.     (/St [title])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/St [value]"
+				/>
+				<BooleanProperty
+					Name="EnableFalseConditionalsInListing"
+					DisplayName="Enable False Conditionals In Listing"
+					PropertyPageName="Listing File"
+					Description="Turns on false conditionals in listing.     (/Sx)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Sx"
+				/>
+				<EnumProperty
+					Name="WarningLevel"
+					DisplayName="Warning Level"
+					Description="Sets the warning level, where level = 0, 1, 2, or 3.    (/W0, /W1, /W2, /W3)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					DefaultValue="3"
+					>
+					<Values>
+						<EnumValue
+							Value="0"
+							Switch="/W0"
+							DisplayName="Warning Level 0 (/W0)"
+						/>
+						<EnumValue
+							Value="1"
+							Switch="/W1"
+							DisplayName="Warning Level 1 (/W1)"
+						/>
+						<EnumValue
+							Value="2"
+							Switch="/W2"
+							DisplayName="Warning Level 2 (/W2)"
+						/>
+						<EnumValue
+							Value="3"
+							Switch="/W3"
+							DisplayName="Warning Level 3 (/W3)"
+						/>
+					</Values>
+				</EnumProperty>
+				<BooleanProperty
+					Name="TreatWarningsAsErrors"
+					DisplayName="Treat Warnings As Errors"
+					Description="Returns an error code if warnings are generated.     (/WX)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/WX"
+				/>
+				<BooleanProperty
+					Name="MakeAllSymbolsPublic"
+					DisplayName="Make All Symbols Public"
+					PropertyPageName="Object File"
+					Description="Makes all symbols public.     (/Zf)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Zf"
+				/>
+				<BooleanProperty
+					Name="GenerateDebugInformation"
+					DisplayName="Generate Debug Information"
+					Description="Generates Debug Information.     (/Zi)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Zi"
+					DefaultValue="true"
+				/>
+				<EnumProperty
+					Name="PackAlignmentBoundary"
+					DisplayName="Pack Alignment Boundary"
+					PropertyPageName="Advanced"
+					Description="Packs structures on the specified byte boundary. The alignment can be 1, 2, 4, 8 or 16.     (/Zp1, /Zp2, /Zp4, /Zp8, /Zp16)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					>
+					<Values>
+						<EnumValue
+							Value="0"
+							DisplayName="Default"
+						/>
+						<EnumValue
+							Value="1"
+							Switch="/Zp1"
+							DisplayName="One Byte Boundary (/Zp1)"
+						/>
+						<EnumValue
+							Value="2"
+							Switch="/Zp2"
+							DisplayName="Two Byte Boundary (/Zp2)"
+						/>
+						<EnumValue
+							Value="3"
+							Switch="/Zp4"
+							DisplayName="Four Byte Boundary (/Zp4)"
+						/>
+						<EnumValue
+							Value="4"
+							Switch="/Zp8"
+							DisplayName="Eight Byte Boundary (/Zp8)"
+						/>
+						<EnumValue
+							Value="5"
+							Switch="/Zp16"
+							DisplayName="Sixteen Byte Boundary (/Zp16)"
+						/>
+					</Values>
+				</EnumProperty>
+				<BooleanProperty
+					Name="PerformSyntaxCheckOnly"
+					DisplayName="Perform Syntax Check Only"
+					Description="Performs a syntax check only.     (/Zs)"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/Zs"
+				/>
+				<EnumProperty
+					Name="ErrorReporting"
+					DisplayName="Error Reporting"
+					PropertyPageName="Advanced"
+					Description="Reports internal assembler errors to Microsoft.     (/errorReport:[method])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					>
+					<Values>
+						<EnumValue
+							Value="0"
+							Switch="/errorReport:prompt"
+							DisplayName="Prompt to send report immediately (/errorReport:prompt)"
+						/>
+						<EnumValue
+							Value="1"
+							Switch="/errorReport:queue"
+							DisplayName="Prompt to send report at the next logon (/errorReport:queue)"
+						/>
+						<EnumValue
+							Value="2"
+							Switch="/errorReport:send"
+							DisplayName="Automatically send report (/errorReport:send)"
+						/>
+						<EnumValue
+							Value="3"
+							Switch="/errorReport:none"
+							DisplayName="Do not send report (/errorReport:none)"
+						/>
+					</Values>
+				</EnumProperty>
+				<StringProperty
+					Name="BrowseFile"
+					DisplayName="Generate Browse Information File"
+					PropertyPageName="Advanced"
+					Description="Specifies whether to generate browse information file and its optional name or location of the browse information file.     (/FR[name])"
+					HelpURL="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmasm/html/vclrfml.asp"
+					Switch="/FR&quot;[value]&quot;"
+					Delimited="true"
+					Inheritable="true"
+				/>
+			</Properties>
+		</CustomBuildRule>
+	</Rules>
+</VisualStudioToolFile>
diff --git a/PCbuild8/make_versioninfo/make_versioninfo.vcproj b/PCbuild8/make_versioninfo/make_versioninfo.vcproj
index 95daa07addb..6e51944065b 100644
--- a/PCbuild8/make_versioninfo/make_versioninfo.vcproj
+++ b/PCbuild8/make_versioninfo/make_versioninfo.vcproj
@@ -90,7 +90,7 @@
 			<Tool
 				Name="VCPostBuildEventTool"
 				Description="Generating python_rc.h"
-				CommandLine="$(OutDir)\$(TargetFileName) &gt; ..\..\PC\python_rc.h&#x0D;&#x0A;$(OutDir)\$(TargetFileName) &gt; ..\..\PC\python_rc_d.h&#x0D;&#x0A;"
+				CommandLine="$(OutDir)\$(TargetFileName) &gt; ..\..\PC\pythonnt_rc.h&#x0D;&#x0A;$(OutDir)\$(TargetFileName) &gt; ..\..\PC\pythonnt_rc_d.h&#x0D;&#x0A;"
 			/>
 		</Configuration>
 	</Configurations>
diff --git a/PCbuild8/pyproject.vsprops b/PCbuild8/pyproject.vsprops
index 7a1e96adbf8..8f3d70675ad 100644
--- a/PCbuild8/pyproject.vsprops
+++ b/PCbuild8/pyproject.vsprops
@@ -15,6 +15,10 @@
 		Name="VCLinkerTool"
 		AdditionalLibraryDirectories="$(OutDir)"
 	/>
+	<Tool
+		Name="VCResourceCompilerTool"
+		AdditionalIncludeDirectories="..\..\PC;..\..\Include"
+	/>
 	<UserMacro
 		Name="PyDllName"
 		Value="python25"
diff --git a/PCbuild8/python/python.vcproj b/PCbuild8/python/python.vcproj
index 5bf89123d60..2ec1b8aef8a 100644
--- a/PCbuild8/python/python.vcproj
+++ b/PCbuild8/python/python.vcproj
@@ -65,6 +65,8 @@
 				LinkIncremental="2"
 				GenerateDebugInformation="true"
 				SubSystem="1"
+				StackReserveSize="2000000"
+				LargeAddressAware="2"
 				TargetMachine="1"
 			/>
 			<Tool
@@ -140,6 +142,7 @@
 				LinkIncremental="2"
 				GenerateDebugInformation="true"
 				SubSystem="1"
+				StackReserveSize="3000000"
 				TargetMachine="17"
 			/>
 			<Tool
@@ -212,6 +215,8 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
+				StackReserveSize="2000000"
+				LargeAddressAware="2"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="1"
@@ -287,6 +292,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
+				StackReserveSize="3000000"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="17"
@@ -361,6 +367,8 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
+				StackReserveSize="2000000"
+				LargeAddressAware="2"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="1"
@@ -436,6 +444,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
+				StackReserveSize="3000000"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="17"
@@ -510,6 +519,8 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
+				StackReserveSize="2000000"
+				LargeAddressAware="2"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="1"
@@ -585,6 +596,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
+				StackReserveSize="3000000"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="17"
diff --git a/PCbuild8/pythoncore/pythoncore.vcproj b/PCbuild8/pythoncore/pythoncore.vcproj
index b6d3e4c26d9..5ede099fc13 100644
--- a/PCbuild8/pythoncore/pythoncore.vcproj
+++ b/PCbuild8/pythoncore/pythoncore.vcproj
@@ -937,6 +937,10 @@
 			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
 			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
 			>
+			<File
+				RelativePath="..\..\PC\python_nt.rc"
+				>
+			</File>
 		</Filter>
 		<Filter
 			Name="Include"
diff --git a/PCbuild8/pythonw/pythonw.vcproj b/PCbuild8/pythonw/pythonw.vcproj
index fbf06a81884..9e2dc7bfce0 100644
--- a/PCbuild8/pythonw/pythonw.vcproj
+++ b/PCbuild8/pythonw/pythonw.vcproj
@@ -65,6 +65,8 @@
 				LinkIncremental="2"
 				GenerateDebugInformation="true"
 				SubSystem="2"
+				StackReserveSize="2000000"
+				LargeAddressAware="2"
 				TargetMachine="1"
 			/>
 			<Tool
@@ -140,6 +142,7 @@
 				LinkIncremental="2"
 				GenerateDebugInformation="true"
 				SubSystem="2"
+				StackReserveSize="3000000"
 				TargetMachine="17"
 			/>
 			<Tool
@@ -211,6 +214,8 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="2"
+				StackReserveSize="2000000"
+				LargeAddressAware="2"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="1"
@@ -285,6 +290,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="2"
+				StackReserveSize="3000000"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="17"
@@ -358,6 +364,8 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="2"
+				StackReserveSize="2000000"
+				LargeAddressAware="2"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="1"
@@ -432,6 +440,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="2"
+				StackReserveSize="3000000"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="17"
@@ -505,6 +514,8 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="2"
+				StackReserveSize="2000000"
+				LargeAddressAware="2"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="1"
@@ -579,6 +590,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="2"
+				StackReserveSize="3000000"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="17"