Safely Test macOS Golden Gate Beta on a Separate APFS Volume

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Exploring the latest macOS beta, Golden Gate, can be enticing, but installing it directly over your current macOS Tahoe setup may expose you to potential bugs and compatibility issues. A prudent approach is to install the beta on a separate APFS volume, allowing you to test new features without compromising the stability of your primary system.

Downloading the macOS Golden Gate Installer

To begin, ensure your Mac’s startup disk is formatted with APFS. Open Terminal from Finder by navigating to Applications > Utilities. Enter the following command to list available macOS installers:

softwareupdate --list-full-installers

Identify the version number for macOS Golden Gate from the list. Then, download the installer by executing:

softwareupdate --fetch-full-installer --full-installer-version 27.0

Replace ‘27.0’ with the appropriate version number if it differs.

Creating a New APFS Volume

Next, create a dedicated volume for the beta installation:

  1. Open Disk Utility from Finder by going to Applications > Utilities.
  2. Select ‘Macintosh HD’ under the ‘Internal’ section in the sidebar.
  3. Click the ‘+’ button above ‘Volume’ in the toolbar.
  4. In the dialog box, name the new volume (e.g., ‘macOS Golden Gate’), choose ‘APFS’ as the format, and click ‘Add’.

Note: Avoid selecting ‘APFS (Encrypted)’ to prevent installation errors. You can enable FileVault encryption after the installation if desired.

Installing macOS Golden Gate on the New Volume

With the new volume ready, proceed with the installation:

  1. Open the ‘Install macOS Golden Gate’ application from the Applications folder.
  2. Click ‘Continue’, then agree to the terms.
  3. Click ‘Show All Disks…’, select the newly created volume, and click ‘Continue’.
  4. Choose your current user account to copy settings and click ‘Install’.
  5. Enter your administrator password when prompted and click ‘Unlock’.
  6. The installation will commence, and your Mac will restart to complete the process.

Switching Between macOS Versions

After installation, your Mac will boot into macOS Golden Gate. To switch back to macOS Tahoe:

  1. Open ‘System Settings’ and navigate to ‘General’ > ‘Startup Disk’.
  2. Select your original macOS Tahoe volume and click ‘Restart’.

Alternatively, restart your Mac and hold the power button until startup options appear, then choose the desired volume.

By utilizing APFS volumes, you can safely test macOS Golden Gate’s new features while maintaining a stable environment on your primary system. This method ensures that any issues encountered in the beta do not affect your daily workflow.

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