diff --git a/NppJSONViewer/NPPJSONViewer.sln b/NppJSONViewer/NPPJSONViewer.sln
index 697034b..74bbaab 100644
--- a/NppJSONViewer/NPPJSONViewer.sln
+++ b/NppJSONViewer/NPPJSONViewer.sln
@@ -1,26 +1,32 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 14
-VisualStudioVersion = 14.0.25420.1
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31205.134
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "NPPJSONViewer", "NPPJSONViewer.vcxproj", "{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|x64 = Debug|x64
+		Debug|ARM64 = Debug|ARM64
 		Debug|Win32 = Debug|Win32
-		Release|x64 = Release|x64
+		Debug|x64 = Debug|x64
+		Release|ARM64 = Release|ARM64
 		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Debug|x64.ActiveCfg = Debug|x64
-		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Debug|x64.Build.0 = Debug|x64
+		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Debug|ARM64.Build.0 = Debug|ARM64
 		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Debug|Win32.ActiveCfg = Debug|Win32
 		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Debug|Win32.Build.0 = Debug|Win32
-		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Release|x64.ActiveCfg = Release|x64
-		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Release|x64.Build.0 = Release|x64
+		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Debug|x64.ActiveCfg = Debug|x64
+		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Debug|x64.Build.0 = Debug|x64
+		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Release|ARM64.ActiveCfg = Release|ARM64
+		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Release|ARM64.Build.0 = Release|ARM64
 		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Release|Win32.ActiveCfg = Release|Win32
 		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Release|Win32.Build.0 = Release|Win32
+		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Release|x64.ActiveCfg = Release|x64
+		{1590D7CD-7D3A-4AB7-A355-EE02F7FB987D}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/NppJSONViewer/NPPJSONViewer.vcxproj b/NppJSONViewer/NPPJSONViewer.vcxproj
index e522fe7..305e3e1 100644
--- a/NppJSONViewer/NPPJSONViewer.vcxproj
+++ b/NppJSONViewer/NPPJSONViewer.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="Debug|ARM64">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM64</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="Release|ARM64">
+      <Configuration>Release</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
       <Platform>Win32</Platform>
@@ -40,11 +48,21 @@
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v142</PlatformToolset>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v142</PlatformToolset>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v142</PlatformToolset>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v142</PlatformToolset>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
@@ -57,18 +75,30 @@
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
     <Import Project="$(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.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
     <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
     <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(Platform)\$(Configuration)\</OutDir>
+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">$(Platform)\$(Configuration)\</OutDir>
     <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(Platform)\$(Configuration)\</IntDir>
+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">$(Platform)\$(Configuration)\</IntDir>
     <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</LinkIncremental>
+    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">true</LinkIncremental>
     <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(Platform)\$(Configuration)\</OutDir>
+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">$(Platform)\$(Configuration)\</OutDir>
     <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(Platform)\$(Configuration)\</IntDir>
+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">$(Platform)\$(Configuration)\</IntDir>
     <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</LinkIncremental>
+    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">false</LinkIncremental>
     <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Platform)\$(Configuration)\</OutDir>
     <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Platform)\$(Configuration)\</IntDir>
     <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
@@ -85,9 +115,15 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <IncludePath>$(SolutionDir)external\rapidjson\include;$(IncludePath)</IncludePath>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <IncludePath>$(SolutionDir)external\rapidjson\include;$(IncludePath)</IncludePath>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <IncludePath>$(SolutionDir)external\rapidjson\include;$(IncludePath)</IncludePath>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <IncludePath>$(SolutionDir)external\rapidjson\include;$(IncludePath)</IncludePath>
+  </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
       <Optimization>Disabled</Optimization>
@@ -110,6 +146,27 @@
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;_CRT_SECURE_NO_WARNINGS;_DEBUG;_WINDOWS;_USRDLL;NPPJSONVIEWER_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MinimalRebuild>false</MinimalRebuild>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <WarningLevel>Level4</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <SDLCheck>true</SDLCheck>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatWarningAsError>true</TreatWarningAsError>
+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>shlwapi.lib;comctl32.lib;Version.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <ImportLibrary>$(TargetName).lib</ImportLibrary>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -131,6 +188,26 @@
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;_CRT_SECURE_NO_WARNINGS;NDEBUG;_WINDOWS;_USRDLL;NPPJSONVIEWER_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <WarningLevel>Level4</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <SDLCheck>true</SDLCheck>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatWarningAsError>true</TreatWarningAsError>
+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>shlwapi.lib;comctl32.lib;Version.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <ImportLibrary>$(TargetName).lib</ImportLibrary>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
diff --git a/appveyor.yml b/appveyor.yml
index 7a740df..f449385 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,6 +9,7 @@ environment:
 platform:
     - x64
     - Win32
+    - ARM64
 
 configuration:
     - Release
@@ -17,6 +18,7 @@ configuration:
 install:
     - if "%platform%"=="x64" set platform_input=x64
     - if "%platform%"=="Win32" set platform_input=Win32
+    - if "%platform%"=="ARM64" set platform_input=ARM64
     
 build:
     parallel: true                  # enable MSBuild parallel builds
@@ -33,3 +35,5 @@ artifacts:
       name: x64
     - path: NppJSONViewer\Win32\Release\NPPJSONViewer.dll
       name: Win32
+    - path: NppJSONViewer\ARM64\Release\NPPJSONViewer.dll
+      name: ARM64