diff --git a/Modules/expat/xmltok.c b/Modules/expat/xmltok.c
index 007aed0640a2ef..482df75b204b70 100644
--- a/Modules/expat/xmltok.c
+++ b/Modules/expat/xmltok.c
@@ -31,9 +31,18 @@
 */
 
 #include <stddef.h>
-#include <stdbool.h>
 #include <string.h>  // memcpy
 
+#if defined(_MSC_VER) && (_MSC_VER <= 1700)
+  /* for vs2012/11.0/1700 and earlier Visual Studio compilers */
+# define bool   int
+# define false  0
+# define true   1
+#else
+# include <stdbool.h>
+#endif
+
+
 #ifdef _WIN32
 #include "winconfig.h"
 #else
@@ -405,16 +414,20 @@ utf8_toUtf8(const ENCODING *UNUSED_P(enc),
   }
 
   /* Avoid copying partial characters (from incomplete input). */
-  const char * const fromLimBefore = fromLim;
-  align_limit_to_full_utf8_characters(*fromP, &fromLim);
-  if (fromLim < fromLimBefore) {
-    input_incomplete = true;
+  {
+    const char * const fromLimBefore = fromLim;
+    align_limit_to_full_utf8_characters(*fromP, &fromLim);
+    if (fromLim < fromLimBefore) {
+      input_incomplete = true;
+    }
   }
 
-  const ptrdiff_t bytesToCopy = fromLim - *fromP;
-  memcpy((void *)*toP, (const void *)*fromP, (size_t)bytesToCopy);
-  *fromP += bytesToCopy;
-  *toP += bytesToCopy;
+  {
+    const ptrdiff_t bytesToCopy = fromLim - *fromP;
+    memcpy((void *)*toP, (const void *)*fromP, (size_t)bytesToCopy);
+    *fromP += bytesToCopy;
+    *toP += bytesToCopy;
+  }
 
   if (output_exhausted)  // needs to go first
     return XML_CONVERT_OUTPUT_EXHAUSTED;
diff --git a/PC/VS9.0/_elementtree.vcproj b/PC/VS9.0/_elementtree.vcproj
index f9d7375c0c1fb2..d24510757ab278 100644
--- a/PC/VS9.0/_elementtree.vcproj
+++ b/PC/VS9.0/_elementtree.vcproj
@@ -43,7 +43,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\..\Modules\expat"
-				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="USE_PYEXPAT_CAPI;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -105,7 +105,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\..\Modules\expat"
-				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="USE_PYEXPAT_CAPI;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -167,7 +167,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\..\Modules\expat"
-				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="USE_PYEXPAT_CAPI;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -230,7 +230,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\..\Modules\expat"
-				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="USE_PYEXPAT_CAPI;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -292,7 +292,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\..\Modules\expat"
-				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="USE_PYEXPAT_CAPI;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -355,7 +355,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\..\Modules\expat"
-				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="USE_PYEXPAT_CAPI;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -418,7 +418,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\..\Modules\expat"
-				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="USE_PYEXPAT_CAPI;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -481,7 +481,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\..\Modules\expat"
-				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="USE_PYEXPAT_CAPI;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
diff --git a/PC/VS9.0/pyexpat.vcproj b/PC/VS9.0/pyexpat.vcproj
index a8d2cd752728b3..fbab7a8d7f666f 100644
--- a/PC/VS9.0/pyexpat.vcproj
+++ b/PC/VS9.0/pyexpat.vcproj
@@ -43,7 +43,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\..\Modules\expat"
-				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -104,7 +104,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\..\Modules\expat"
-				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -165,7 +165,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\..\Modules\expat"
-				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -227,7 +227,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\..\Modules\expat"
-				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -288,7 +288,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\..\Modules\expat"
-				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -350,7 +350,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\..\Modules\expat"
-				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -412,7 +412,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\..\Modules\expat"
-				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -474,7 +474,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\..\Modules\expat"
-				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
+				PreprocessorDefinitions="_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
diff --git a/PCbuild/_elementtree.vcxproj b/PCbuild/_elementtree.vcxproj
index 3bd513ffddbf15..196ed66a2e6d81 100644
--- a/PCbuild/_elementtree.vcxproj
+++ b/PCbuild/_elementtree.vcxproj
@@ -152,7 +152,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_PYEXPAT_CAPI;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <BaseAddress>0x1D100000</BaseAddress>
@@ -173,7 +173,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_PYEXPAT_CAPI;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <BaseAddress>0x1D100000</BaseAddress>
@@ -185,7 +185,7 @@
     </Midl>
     <ClCompile>
       <AdditionalIncludeDirectories>..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_PYEXPAT_CAPI;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <BaseAddress>0x1D100000</BaseAddress>
@@ -194,7 +194,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_PYEXPAT_CAPI;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <BaseAddress>0x1D100000</BaseAddress>
@@ -206,7 +206,7 @@
     </Midl>
     <ClCompile>
       <AdditionalIncludeDirectories>..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_PYEXPAT_CAPI;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <BaseAddress>0x1D100000</BaseAddress>
@@ -216,7 +216,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_PYEXPAT_CAPI;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <BaseAddress>0x1D100000</BaseAddress>
@@ -228,7 +228,7 @@
     </Midl>
     <ClCompile>
       <AdditionalIncludeDirectories>..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_PYEXPAT_CAPI;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <BaseAddress>0x1D100000</BaseAddress>
@@ -253,6 +253,7 @@
     <ClInclude Include="..\Modules\expat\xmltok.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\Modules\expat\loadlibrary.c" />
     <ClCompile Include="..\Modules\_elementtree.c" />
     <ClCompile Include="..\Modules\expat\xmlparse.c" />
     <ClCompile Include="..\Modules\expat\xmlrole.c" />
diff --git a/PCbuild/_elementtree.vcxproj.filters b/PCbuild/_elementtree.vcxproj.filters
index ee78295fa9494d..b17626afc2af79 100644
--- a/PCbuild/_elementtree.vcxproj.filters
+++ b/PCbuild/_elementtree.vcxproj.filters
@@ -33,6 +33,9 @@
     <ClInclude Include="..\Modules\expat\latin1tab.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClCompile Include="..\Modules\expat\loadlibrary.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
     <ClInclude Include="..\Modules\expat\macconfig.h">
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -69,4 +72,7 @@
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
\ No newline at end of file
+  <ItemGroup>
+    <ResourceCompile Include="..\PC\python_nt.rc" />
+  </ItemGroup>
+</Project>
diff --git a/PCbuild/pyexpat.vcxproj b/PCbuild/pyexpat.vcxproj
index 974fd3d6cbc4b7..4c87b691b39cd2 100644
--- a/PCbuild/pyexpat.vcxproj
+++ b/PCbuild/pyexpat.vcxproj
@@ -152,7 +152,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>.\..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -161,13 +161,13 @@
     </Midl>
     <ClCompile>
       <AdditionalIncludeDirectories>.\..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>.\..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -176,13 +176,13 @@
     </Midl>
     <ClCompile>
       <AdditionalIncludeDirectories>.\..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>.\..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'">
@@ -191,7 +191,7 @@
     </Midl>
     <ClCompile>
       <AdditionalIncludeDirectories>.\..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX64</TargetMachine>
@@ -200,7 +200,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>.\..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'">
@@ -209,7 +209,7 @@
     </Midl>
     <ClCompile>
       <AdditionalIncludeDirectories>.\..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX64</TargetMachine>
@@ -220,6 +220,7 @@
     <ClInclude Include="..\Modules\expat\xmltok.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\Modules\expat\loadlibrary.c" />
     <ClCompile Include="..\Modules\pyexpat.c" />
     <ClCompile Include="..\Modules\expat\xmlparse.c" />
     <ClCompile Include="..\Modules\expat\xmlrole.c" />
@@ -234,4 +235,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/PCbuild/pyexpat.vcxproj.filters b/PCbuild/pyexpat.vcxproj.filters
index abf362fb0bfa8a..3d60e6c6b525a1 100644
--- a/PCbuild/pyexpat.vcxproj.filters
+++ b/PCbuild/pyexpat.vcxproj.filters
@@ -17,6 +17,9 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\Modules\expat\loadlibrary.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="..\Modules\pyexpat.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -30,4 +33,7 @@
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
\ No newline at end of file
+  <ItemGroup>
+    <ResourceCompile Include="..\PC\python_nt.rc" />
+  </ItemGroup>
+</Project>