diff --git a/Lib/distutils/tests/test_bdist.py b/Lib/distutils/tests/test_bdist.py
index f762f5d9873099..e56822ce277978 100644
--- a/Lib/distutils/tests/test_bdist.py
+++ b/Lib/distutils/tests/test_bdist.py
@@ -1,5 +1,6 @@
 """Tests for distutils.command.bdist."""
 import os
+import platform
 import unittest
 from test.support import run_unittest
 
@@ -7,6 +8,10 @@
 from distutils.tests import support
 
 
+SKIP_MESSAGE = (None if platform.win32_editionId() != 'IoTUAP' else
+                "These tests don't work on windows arm32")
+
+@unittest.skipUnless(SKIP_MESSAGE is None, SKIP_MESSAGE)
 class BuildTestCase(support.TempdirManager,
                     unittest.TestCase):
 
diff --git a/Lib/distutils/tests/test_bdist_msi.py b/Lib/distutils/tests/test_bdist_msi.py
index 15d8bdff2b4f55..abcdbafbb74b9b 100644
--- a/Lib/distutils/tests/test_bdist_msi.py
+++ b/Lib/distutils/tests/test_bdist_msi.py
@@ -1,11 +1,15 @@
 """Tests for distutils.command.bdist_msi."""
+import platform
 import sys
 import unittest
 from test.support import run_unittest
 from distutils.tests import support
 
 
-@unittest.skipUnless(sys.platform == 'win32', 'these tests require Windows')
+SKIP_MESSAGE = (None if sys.platform == "win32" and platform.win32_editionId() != 'IoTUAP' else
+                "These tests require Windows x86 or x64.  ARM is not supported")
+
+@unittest.skipUnless(SKIP_MESSAGE is None, SKIP_MESSAGE)
 class BDistMSITestCase(support.TempdirManager,
                        support.LoggingSilencer,
                        unittest.TestCase):
diff --git a/Lib/distutils/tests/test_bdist_wininst.py b/Lib/distutils/tests/test_bdist_wininst.py
index 5d17ab19a9d89a..7f897610cfd01f 100644
--- a/Lib/distutils/tests/test_bdist_wininst.py
+++ b/Lib/distutils/tests/test_bdist_wininst.py
@@ -1,10 +1,15 @@
 """Tests for distutils.command.bdist_wininst."""
+import platform
 import unittest
 from test.support import run_unittest
 
 from distutils.command.bdist_wininst import bdist_wininst
 from distutils.tests import support
 
+SKIP_MESSAGE = (None if platform.win32_editionId() != 'IoTUAP' else
+                "These tests don't work on windows arm32")
+
+@unittest.skipUnless(SKIP_MESSAGE is None, SKIP_MESSAGE)
 class BuildWinInstTestCase(support.TempdirManager,
                            support.LoggingSilencer,
                            unittest.TestCase):
diff --git a/Lib/distutils/tests/test_build_ext.py b/Lib/distutils/tests/test_build_ext.py
index a72218274ca90e..c6408c3400a133 100644
--- a/Lib/distutils/tests/test_build_ext.py
+++ b/Lib/distutils/tests/test_build_ext.py
@@ -1,5 +1,6 @@
 import sys
 import os
+import platform
 from io import StringIO
 import textwrap
 
@@ -21,6 +22,10 @@
 ALREADY_TESTED = False
 
 
+SKIP_MESSAGE = (None if platform.win32_editionId() != 'IoTUAP' else
+                "These tests don't work on windows arm32")
+
+@unittest.skipUnless(SKIP_MESSAGE is None, SKIP_MESSAGE)
 class BuildExtTestCase(TempdirManager,
                        LoggingSilencer,
                        unittest.TestCase):
diff --git a/Lib/distutils/tests/test_msvc9compiler.py b/Lib/distutils/tests/test_msvc9compiler.py
index 77a07ef39dd1a6..a2096619adecd1 100644
--- a/Lib/distutils/tests/test_msvc9compiler.py
+++ b/Lib/distutils/tests/test_msvc9compiler.py
@@ -1,4 +1,5 @@
 """Tests for distutils.msvc9compiler."""
+import platform
 import sys
 import unittest
 import os
@@ -90,7 +91,7 @@
   </dependency>
 </assembly>"""
 
-if sys.platform=="win32":
+if sys.platform=="win32" and platform.win32_editionId() != 'IoTUAP':
     from distutils.msvccompiler import get_build_version
     if get_build_version()>=8.0:
         SKIP_MESSAGE = None
diff --git a/Lib/distutils/tests/test_msvccompiler.py b/Lib/distutils/tests/test_msvccompiler.py
index 70a9c93a4e8805..e62b9d96e41cfe 100644
--- a/Lib/distutils/tests/test_msvccompiler.py
+++ b/Lib/distutils/tests/test_msvccompiler.py
@@ -1,4 +1,5 @@
 """Tests for distutils._msvccompiler."""
+import platform
 import sys
 import unittest
 import os
@@ -8,7 +9,7 @@
 from test.support import run_unittest
 
 
-SKIP_MESSAGE = (None if sys.platform == "win32" else
+SKIP_MESSAGE = (None if sys.platform == "win32" and platform.win32_editionId() != 'IoTUAP' else
                 "These tests are only for win32")
 
 @unittest.skipUnless(SKIP_MESSAGE is None, SKIP_MESSAGE)
diff --git a/Lib/distutils/tests/test_sysconfig.py b/Lib/distutils/tests/test_sysconfig.py
index fe4a2994e3b0cd..3648eeb96a0706 100644
--- a/Lib/distutils/tests/test_sysconfig.py
+++ b/Lib/distutils/tests/test_sysconfig.py
@@ -1,5 +1,6 @@
 """Tests for distutils.sysconfig."""
 import os
+import platform
 import shutil
 import subprocess
 import sys
@@ -168,6 +169,7 @@ def test_SO_in_vars(self):
         self.assertIsNotNone(vars['SO'])
         self.assertEqual(vars['SO'], vars['EXT_SUFFIX'])
 
+    @unittest.skipIf(platform.win32_editionId() == 'IoTUAP', "API not present on Windows 10 IoT Core")
     def test_customize_compiler_before_get_config_vars(self):
         # Issue #21923: test that a Distribution compiler
         # instance can be called without an explicit call to
diff --git a/PCbuild/_distutils_findvs.vcxproj b/PCbuild/_distutils_findvs.vcxproj
index 1592182eefd8cf..ebf0f5680f358f 100644
--- a/PCbuild/_distutils_findvs.vcxproj
+++ b/PCbuild/_distutils_findvs.vcxproj
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|ARM">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
       <Platform>Win32</Platform>
@@ -9,6 +13,10 @@
       <Configuration>Debug</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="PGInstrument|ARM">
+      <Configuration>PGInstrument</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="PGInstrument|Win32">
       <Configuration>PGInstrument</Configuration>
       <Platform>Win32</Platform>
@@ -17,6 +25,10 @@
       <Configuration>PGInstrument</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="PGUpdate|ARM">
+      <Configuration>PGUpdate</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="PGUpdate|Win32">
       <Configuration>PGUpdate</Configuration>
       <Platform>Win32</Platform>
@@ -25,6 +37,10 @@
       <Configuration>PGUpdate</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM">
+      <Configuration>Release</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
       <Platform>Win32</Platform>
@@ -61,7 +77,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup>
     <Link>
-      <AdditionalDependencies>version.lib;ole32.lib;oleaut32.lib;Microsoft.VisualStudio.Setup.Configuration.Native.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>version.lib;ole32.lib;oleaut32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories);$(PySourcePath)PC\external\$(PlatformToolset)\$(ArchName)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
diff --git a/PCbuild/pcbuild.sln b/PCbuild/pcbuild.sln
index bc11550b7c3f6c..8e9bc17db99bfb 100644
--- a/PCbuild/pcbuild.sln
+++ b/PCbuild/pcbuild.sln
@@ -992,7 +992,8 @@ Global
 		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Release|Win32.Build.0 = Release|Win32
 		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Release|x64.ActiveCfg = Release|x64
 		{12728250-16EC-4DC6-94D7-E21DD88947F8}.Release|x64.Build.0 = Release|x64
-		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Debug|ARM.ActiveCfg = Debug|Win32
+		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Debug|ARM.ActiveCfg = Debug|ARM
+		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Debug|ARM.Build.0 = Debug|ARM
 		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Debug|Win32.ActiveCfg = Debug|Win32
 		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Debug|Win32.Build.0 = Debug|Win32
 		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Debug|x64.ActiveCfg = Debug|x64
@@ -1007,7 +1008,8 @@ Global
 		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.PGUpdate|Win32.Build.0 = PGUpdate|Win32
 		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.PGUpdate|x64.ActiveCfg = PGUpdate|x64
 		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.PGUpdate|x64.Build.0 = PGUpdate|x64
-		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Release|ARM.ActiveCfg = Release|Win32
+		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Release|ARM.ActiveCfg = Release|ARM
+		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Release|ARM.Build.0 = Release|ARM
 		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Release|Win32.ActiveCfg = Release|Win32
 		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Release|Win32.Build.0 = Release|Win32
 		{41ADEDF9-11D8-474E-B4D7-BB82332C878E}.Release|x64.ActiveCfg = Release|x64
diff --git a/Python/ceval.c b/Python/ceval.c
index 4f0b8ee899c0ff..2f4c68488e42b7 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1625,7 +1625,7 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
                 exc = POP(); /* exc */
                 /* fall through */
             case 0:
-#ifdef _M_ARM
+#if defined(_M_ARM) && !defined(DEBUG)
                 // work around optimizer problem on windows arm32
                 if (oparg == 2)
                 {
diff --git a/Tools/winiot/sync_win_iot.py b/Tools/winiot/sync_win_iot.py
index dea4ec6bbdd257..71a4cb355ad5ac 100644
--- a/Tools/winiot/sync_win_iot.py
+++ b/Tools/winiot/sync_win_iot.py
@@ -40,7 +40,7 @@
 }
 
 EXCLUDE_FILE_FROM_LIBRARY = {
-    'bdist_wininst.py',
+    #'bdist_wininst.py',
 }
 
 EXCLUDE_FILE_FROM_LIBS = {
@@ -107,6 +107,13 @@ def include_in_lib(p):
     suffix = p.suffix.lower()
     return suffix not in {'.pyc', '.pyo', '.exe'}
 
+def include_in_libs(p):
+    # if is_debug(p):
+    #     print ('include_in_libs: {} is debug'.format(p))
+    #     return False
+
+    return p.stem.lower() not in EXCLUDE_FILE_FROM_LIBS
+
 def include_in_tools(p):
     if p.is_dir() and p.name.lower() in {'scripts', 'i18n', 'pynche', 'demo', 'parser'}:
         return True
@@ -122,7 +129,10 @@ def include_in_tools(p):
     ('/', '$source', '{}.dll'.format(BASE_NAME), is_not_debug),
     ('DLLs/', '$source', '*.pyd', is_not_debug),
     ('DLLs/', '$source', '*.dll', is_not_python),
+    ('include/', 'include', '*.h', None),
+    ('include/', 'PC', 'pyconfig.h', None),
     ('Lib/', 'Lib', '**/*', include_in_lib),
+    ('libs/', '$source', '*.lib', include_in_libs),
     ('Tools/', 'Tools', '**/*', include_in_tools),
 ]
 
@@ -131,9 +141,12 @@ def include_in_tools(p):
     ('/', '$source', 'pythonw_d.exe', is_debug),
     ('/', '$source', 'python{}_d.dll'.format(sys.version_info.major), is_debug),
     ('/', '$source', '{}_d.dll'.format(BASE_NAME), is_debug),
+    ('include/', 'include', '*.h', None),
+    ('include/', 'PC', 'pyconfig.h', None),
     ('DLLs/', '$source', '*.pyd', is_debug),
     ('DLLs/', '$source', '*.dll', is_not_python),
     ('Lib/', 'Lib', '**/*', include_in_lib),
+    ('libs/', '$source', '*.lib', include_in_libs),
     ('Tools/', 'Tools', '**/*', include_in_tools),
 ]