diff --git a/win32/crc64.sln b/win32/crc64.sln
index a76e95d..b26f7e2 100644
--- a/win32/crc64.sln
+++ b/win32/crc64.sln
@@ -1,16 +1,19 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.28307.2092
+# Visual Studio Version 17
+VisualStudioVersion = 17.3.32825.248
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "crc64", "crc64.vcxproj", "{9D573175-F71F-45A8-8339-ED3CDAC17F72}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Release|ARM64 = Release|ARM64
 		Release|x64 = Release|x64
 		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{9D573175-F71F-45A8-8339-ED3CDAC17F72}.Release|ARM64.ActiveCfg = Release|ARM64
+		{9D573175-F71F-45A8-8339-ED3CDAC17F72}.Release|ARM64.Build.0 = Release|ARM64
 		{9D573175-F71F-45A8-8339-ED3CDAC17F72}.Release|x64.ActiveCfg = Release|x64
 		{9D573175-F71F-45A8-8339-ED3CDAC17F72}.Release|x64.Build.0 = Release|x64
 		{9D573175-F71F-45A8-8339-ED3CDAC17F72}.Release|x86.ActiveCfg = Release|Win32
diff --git a/win32/crc64.vcxproj b/win32/crc64.vcxproj
index 713a7be..cd7f34a 100644
--- a/win32/crc64.vcxproj
+++ b/win32/crc64.vcxproj
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Release|ARM64">
+      <Configuration>Release</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
       <Platform>Win32</Platform>
@@ -18,7 +22,7 @@
     <ProjectGuid>{9D573175-F71F-45A8-8339-ED3CDAC17F72}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>crc64</RootNamespace>
-    <WindowsTargetPlatformVersion>7.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
@@ -35,6 +39,13 @@
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
@@ -46,6 +57,9 @@
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <LinkIncremental>false</LinkIncremental>
@@ -57,6 +71,11 @@
     <OutDir>$(SolutionDir)\bin\$(Platform)\$(Configuration)\</OutDir>
     <IntDir>$(SolutionDir)\obj\$(Platform)\$(Configuration)\</IntDir>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)\bin\$(Platform)\$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir)\obj\$(Platform)\$(Configuration)\</IntDir>
+  </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
@@ -109,6 +128,32 @@
       <AdditionalDependencies>setargv.obj;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level4</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <OmitFramePointers>true</OmitFramePointers>
+      <WholeProgramOptimization>true</WholeProgramOptimization>
+      <EnableEnhancedInstructionSet>NotSet</EnableEnhancedInstructionSet>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
+      <AdditionalDependencies>setargv.obj;%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>