diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 469c241..4eb74d5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,6 +28,8 @@ jobs:
           # Windows ARM64 runners are not widely available yet
           - os: windows-latest
             arch: arm64
+          - os: macos-latest
+            arch: x64
         include:
           # Test specific version
           - os: ubuntu-latest
diff --git a/README.md b/README.md
index c544bc3..19102b9 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,6 @@ jobs:
 | Input | Description | Required | Default |
 |-------|-------------|----------|---------|
 | `version` | Aptos CLI version (tag). Use 'latest' to automatically fetch the latest release | No | `latest` |
-| `install-dir` | Install directory for Aptos CLI (will install to <dir>/bin) | No | `$HOME/.aptoscli` |
 | `movefmt-username` | GitHub username for movefmt repository | No | `movebit` |
 | `movefmt-repo` | GitHub repository name for movefmt | No | `movefmt` |
 | `movefmt-version` | movefmt version to install | No | `1.2.3` |
@@ -90,7 +89,7 @@ jobs:
 ## Outputs
 
 This action doesn't produce any outputs, but it:
-- Installs the Aptos CLI to `$HOME/.aptos/bin` (Linux/macOS) or `%USERPROFILE%\.aptos\bin` (Windows)
+- Installs the Aptos CLI to `$HOME/.aptoscli/bin` (Linux/macOS) or `%USERPROFILE%\.aptoscli\bin` (Windows)
 - Adds the installation directory to `PATH` for subsequent steps
 - Verifies the installation by running `aptos --version`
 
@@ -131,9 +130,9 @@ curl -s https://api.github.com/repos/aptos-labs/aptos-core/releases/latest | gre
 # Download and install manually
 curl -L "https://github.com/aptos-labs/aptos-core/releases/download/aptos-cli-v7.5.0/aptos-cli-7.5.0-darwin-x86_64.zip" -o aptos.zip
 unzip aptos.zip -d aptos
-mkdir -p "$HOME/.aptos/bin"
-mv aptos/aptos "$HOME/.aptos/bin/"
-export PATH="$HOME/.aptos/bin:$PATH"
+mkdir -p "$HOME/.aptoscli/bin"
+mv aptos/aptos "$HOME/.aptoscli/bin/"
+export PATH="$HOME/.aptoscli/bin:$PATH"
 aptos --version
 ```
 
diff --git a/action.yml b/action.yml
index 46d55e2..7f314bb 100644
--- a/action.yml
+++ b/action.yml
@@ -8,10 +8,7 @@ inputs:
     description: "Aptos CLI version (tag). Use 'latest' to automatically fetch the latest release"
     required: false
     default: "latest"
-  install-dir:
-    description: "Install directory for Aptos CLI (will install to <dir>/bin)"
-    required: false
-    default: $HOME/.aptoscli
+
   movefmt-username:
     description: "GitHub username for movefmt repository"
     required: false
@@ -71,18 +68,15 @@ runs:
       id: cache-aptos
       uses: actions/cache@v4
       with:
-        path: ${{ inputs.install-dir }}/bin
-        key: aptos-cli-${{ steps.get_version.outputs.version }}-${{ runner.os }}-${{ runner.arch }}
-        restore-keys: |
-          aptos-cli-${{ steps.get_version.outputs.version }}-${{ runner.os }}-
-          aptos-cli-${{ steps.get_version.outputs.version }}-
-          aptos-cli-
+        path: ~/.aptoscli/bin
+        key: aptos-cli-${{ runner.os }}-${{ runner.arch }}-${{ steps.get_version.outputs.version }}-${{ inputs.movefmt-version }}-${{ inputs.movefmt-username }}-${{ inputs.movefmt-repo }}
 
     - name: Build download URL
       id: dl
       if: steps.cache-aptos.outputs.cache-hit != 'true'
       shell: bash
       run: |
+        INSTALL_DIR="$HOME/.aptoscli"
         # Detect OS and arch for asset naming
         case "${RUNNER_OS}" in
           Linux)
@@ -123,6 +117,7 @@ runs:
         asset_name="aptos-cli-${{ steps.get_version.outputs.version }}-${os_name}-${arch_name}.zip"
         url="https://github.com/aptos-labs/aptos-core/releases/download/aptos-cli-v${{ steps.get_version.outputs.version }}/$asset_name"
         echo "url=$url" >> $GITHUB_OUTPUT
+        echo "arch_name=$arch_name" >> $GITHUB_OUTPUT
 
     - name: Download ZIP archive
       if: steps.cache-aptos.outputs.cache-hit != 'true'
@@ -143,18 +138,20 @@ runs:
       if: runner.os != 'Windows' && steps.cache-aptos.outputs.cache-hit != 'true'
       shell: bash
       run: |
+        INSTALL_DIR="$HOME/.aptoscli"
         unzip aptos.zip -d aptos
-        mkdir -p "${{ inputs.install-dir }}/bin"
-        mv aptos/aptos "${{ inputs.install-dir }}/bin/"
+        mkdir -p "$INSTALL_DIR/bin"
+        mv aptos/aptos "$INSTALL_DIR/bin/"
         # Add to PATH for subsequent steps
-        echo "${{ inputs.install-dir }}/bin" >> $GITHUB_PATH
+        echo "$INSTALL_DIR/bin" >> $GITHUB_PATH
 
     - name: Unpack & install (Windows)
       if: runner.os == 'Windows' && steps.cache-aptos.outputs.cache-hit != 'true'
       shell: pwsh
       run: |
+        $INSTALL_DIR = "$env:USERPROFILE\.aptoscli"
         Expand-Archive aptos.zip -DestinationPath aptos
-        $dest="${{ inputs.install-dir }}\bin"
+        $dest = "$INSTALL_DIR\bin"
         New-Item -ItemType Directory -Force -Path $dest | Out-Null
         Move-Item aptos\aptos.exe $dest
         # Add to PATH for subsequent steps
@@ -164,39 +161,32 @@ runs:
       if: steps.cache-aptos.outputs.cache-hit == 'true' && runner.os != 'Windows'
       shell: bash
       run: |
+        INSTALL_DIR="$HOME/.aptoscli"
         echo "Using cached Aptos CLI installation"
         # Add to PATH for subsequent steps
-        echo "${{ inputs.install-dir }}/bin" >> $GITHUB_PATH
+        echo "$INSTALL_DIR/bin" >> $GITHUB_PATH
 
     - name: Add to PATH (cache hit - Windows)
       if: steps.cache-aptos.outputs.cache-hit == 'true' && runner.os == 'Windows'
       shell: pwsh
       run: |
+        $INSTALL_DIR = "$env:USERPROFILE\.aptoscli"
         Write-Host "Using cached Aptos CLI installation"
         # Add to PATH for subsequent steps
-        Add-Content -Path $Env:GITHUB_PATH -Value "${{ inputs.install-dir }}\bin"
+        Add-Content -Path $Env:GITHUB_PATH -Value "$INSTALL_DIR\bin"
 
     - name: Verify installation
       shell: bash
       run: |
+        INSTALL_DIR="$HOME/.aptoscli"
         echo "Installed Aptos CLI version:"
-        aptos --version 
-
-    - name: Cache movefmt CLI
-      id: cache-movefmt
-      uses: actions/cache@v4
-      with:
-        path: ${{ inputs.install-dir }}/bin/movefmt*
-        key: movefmt-${{ inputs.movefmt-version }}-${{ runner.os }}-${{ runner.arch }}
-        restore-keys: |
-          movefmt-${{ inputs.movefmt-version }}-${{ runner.os }}-
-          movefmt-${{ inputs.movefmt-version }}-
-          movefmt-
+        "$INSTALL_DIR/bin/aptos" --version 
 
     - name: Install movefmt CLI
-      if: steps.cache-movefmt.outputs.cache-hit != 'true'
+      if: steps.cache-aptos.outputs.cache-hit != 'true'
       shell: bash
       run: |
+        INSTALL_DIR="$HOME/.aptoscli"
         # Detect OS and arch for movefmt asset naming
         case "${RUNNER_OS}" in
           Linux)
@@ -250,8 +240,8 @@ runs:
             exit 1
           fi
           # Install on Windows
-          mkdir -p "${{ inputs.install-dir }}/bin"
-          mv movefmt.exe "${{ inputs.install-dir }}/bin/"
+          mkdir -p "$INSTALL_DIR/bin"
+          mv movefmt.exe "$INSTALL_DIR/bin/"
         else
           # Require token for download
           if [ -z "${{ inputs.github-token }}" ]; then
@@ -265,7 +255,7 @@ runs:
           fi
           # Install on Linux/macOS
           chmod +x movefmt
-          mv movefmt "${{ inputs.install-dir }}/bin/"
+          mv movefmt "$INSTALL_DIR/bin/"
         fi
         
         echo "movefmt installed successfully"
@@ -273,5 +263,6 @@ runs:
     - name: Verify movefmt installation
       shell: bash
       run: |
+        INSTALL_DIR="$HOME/.aptoscli"
         echo "Installed movefmt version:"
-        movefmt --version 
\ No newline at end of file
+        "$INSTALL_DIR/bin/movefmt" --version 
\ No newline at end of file