diff --git a/scripts/common.sh b/scripts/common.sh
index 14402138..831fee1b 100644
--- a/scripts/common.sh
+++ b/scripts/common.sh
@@ -77,11 +77,17 @@ get_platform_arch() {
   platform=$(get_platform_name)
   arch=${CROSS_ARCH:-$(uname -m)}
   if [[ $MSYSTEM != "" ]]; then
-    if [[ $MSYSTEM == "MINGW64" ]]; then
+    case "$MSYSTEM" in
+      MINGW64|UCRT64|CLANG64)
       arch=x86_64
-    else
+      ;;
+      MINGW32|CLANG32)
       arch=i686
-    fi
+      ;;
+      CLANGARM64)
+      arch=aarch64
+      ;;
+    esac
   fi
   echo "$arch"
 }
diff --git a/scripts/innosetup/innosetup.iss.in b/scripts/innosetup/innosetup.iss.in
index 566abe5d..3747d5d4 100644
--- a/scripts/innosetup/innosetup.iss.in
+++ b/scripts/innosetup/innosetup.iss.in
@@ -26,12 +26,16 @@ AppPublisherURL={#MyAppURL}
 AppSupportURL={#MyAppURL}
 AppUpdatesURL={#MyAppURL}
 
-#if Arch=="x64"
-  ArchitecturesAllowed=x64
-  ArchitecturesInstallIn64BitMode=x64
-  #define ArchInternal "x86_64"
-#else
+#if Arch=="x86"
   #define ArchInternal "i686"
+#else
+  ArchitecturesAllowed={#Arch}
+  ArchitecturesInstallIn64BitMode={#Arch}
+  #if Arch=="x64"
+    #define ArchInternal "x86_64"
+  #elif Arch=="arm64"
+    #define ArchInternal "aarch64"
+  #endif
 #endif
 
 AllowNoIcons=yes
@@ -57,9 +61,13 @@ OutputBaseFilename=LiteXL-{#MyAppVersion}-{#ArchInternal}-setup
 
 LicenseFile={#SourceDir}/LICENSE
 SetupIconFile={#SourceDir}/resources/icons/icon.ico
+UninstallDisplayIcon={app}\{#MyAppExeName}, 0
 WizardImageFile="{#SourceDir}/scripts/innosetup/wizard-modern-image.bmp"
 WizardSmallImageFile="{#SourceDir}/scripts/innosetup/litexl-55px.bmp"
 
+; Required for the add to path option to refresh environment
+ChangesEnvironment=yes
+
 [Languages]
 Name: "english"; MessagesFile: "compiler:Default.isl"
 
@@ -67,6 +75,7 @@ Name: "english"; MessagesFile: "compiler:Default.isl"
 Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked
 Name: "quicklaunchicon"; Description: "{cm:CreateQuickLaunchIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked; OnlyBelowVersion: 6.1; Check: not IsAdminInstallMode
 Name: "portablemode"; Description: "Portable Mode"; Flags: unchecked
+Name: "envPath"; Description: "Add lite-xl to the PATH variable, allowing it to be run from a command line."
 
 [Files]
 Source: "{#SourceDir}/lite-xl/*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs
@@ -95,3 +104,62 @@ Filename: "{app}/{#MyAppExeName}"; Description: "{cm:LaunchProgram,{#StringChang
 
 [Setup]
 Uninstallable=not WizardIsTaskSelected('portablemode')
+
+; Code to add installation path to environment taken from:
+; https://stackoverflow.com/a/46609047
+[Code]
+const EnvironmentKey = 'SYSTEM\CurrentControlSet\Control\Session Manager\Environment';
+
+procedure EnvAddPath(Path: string);
+var
+  Paths: string;
+begin
+  { Retrieve current path (use empty string if entry not exists) }
+  if not RegQueryStringValue(HKEY_LOCAL_MACHINE, EnvironmentKey, 'Path', Paths)
+  then Paths := '';
+
+  { Skip if string already found in path }
+  if Pos(';' + Uppercase(Path) + ';', ';' + Uppercase(Paths) + ';') > 0 then exit;
+
+  { App string to the end of the path variable }
+  Paths := Paths + ';'+ Path +';'
+
+  { Overwrite (or create if missing) path environment variable }
+  if RegWriteStringValue(HKEY_LOCAL_MACHINE, EnvironmentKey, 'Path', Paths)
+  then Log(Format('The [%s] added to PATH: [%s]', [Path, Paths]))
+  else Log(Format('Error while adding the [%s] to PATH: [%s]', [Path, Paths]));
+end;
+
+procedure EnvRemovePath(Path: string);
+var
+  Paths: string;
+  P: Integer;
+begin
+  { Skip if registry entry not exists }
+  if not RegQueryStringValue(HKEY_LOCAL_MACHINE, EnvironmentKey, 'Path', Paths) then
+    exit;
+
+  { Skip if string not found in path }
+  P := Pos(';' + Uppercase(Path) + ';', ';' + Uppercase(Paths) + ';');
+  if P = 0 then exit;
+
+  { Update path variable }
+  Delete(Paths, P - 1, Length(Path) + 1);
+
+  { Overwrite path environment variable }
+  if RegWriteStringValue(HKEY_LOCAL_MACHINE, EnvironmentKey, 'Path', Paths)
+  then Log(Format('The [%s] removed from PATH: [%s]', [Path, Paths]))
+  else Log(Format('Error while removing the [%s] from PATH: [%s]', [Path, Paths]));
+end;
+
+procedure CurStepChanged(CurStep: TSetupStep);
+begin
+  if (CurStep = ssPostInstall) and WizardIsTaskSelected('envPath')
+  then EnvAddPath(ExpandConstant('{app}'));
+end;
+
+procedure CurUninstallStepChanged(CurUninstallStep: TUninstallStep);
+begin
+  if CurUninstallStep = usPostUninstall
+  then EnvRemovePath(ExpandConstant('{app}'));
+end;
diff --git a/scripts/innosetup/innosetup.sh b/scripts/innosetup/innosetup.sh
index a37a2836..86ab89d1 100644
--- a/scripts/innosetup/innosetup.sh
+++ b/scripts/innosetup/innosetup.sh
@@ -29,13 +29,24 @@ main() {
   local version
   local output
 
-  if [[ $MSYSTEM == "MINGW64" ]]; then
+  case "$MSYSTEM" in
+    MINGW64|UCRT64|CLANG64)
     arch=x64
     arch_file=x86_64
-  else
-    arch=i686;
+    ;;
+    MINGW32|CLANG32)
+    arch=x86
     arch_file=i686
-  fi
+    ;;
+    CLANGARM64)
+    arch=arm64
+    arch_file=aarch64
+    ;;
+    *)
+    echo "error: unsupported MSYSTEM type: $MSYSTEM"
+    exit 1
+    ;;
+  esac
 
   initial_arg_count=$#
 
diff --git a/scripts/package.sh b/scripts/package.sh
index d9a9c14c..46d6c231 100644
--- a/scripts/package.sh
+++ b/scripts/package.sh
@@ -213,14 +213,18 @@ main() {
     if [[ $platform == "windows" ]]; then
       exe_file="${exe_file}.exe"
       stripcmd="strip --strip-all"
-      # Copy MinGW libraries dependencies.
-      # MSYS2 ldd command seems to be only 64bit, so use ntldd
-      # see https://github.com/msys2/MINGW-packages/issues/4164
-      ntldd -R "${exe_file}" \
-        | grep mingw \
-        | awk '{print $3}' \
-        | sed 's#\\#/#g' \
-        | xargs -I '{}' cp -v '{}' "$(pwd)/${dest_dir}/"
+      if command -v ntldd >/dev/null 2>&1; then
+        # Copy MinGW libraries dependencies.
+        # MSYS2 ldd command seems to be only 64bit, so use ntldd
+        # see https://github.com/msys2/MINGW-packages/issues/4164
+        ntldd -R "${exe_file}" \
+          | grep mingw \
+          | awk '{print $3}' \
+          | sed 's#\\#/#g' \
+          | xargs -I '{}' cp -v '{}' "$(pwd)/${dest_dir}/"
+      else
+        echo "WARNING: ntldd not found; assuming program is static"
+      fi
     else
       # Windows archive is always portable
       package_name+="-portable"