How do I install a VPN on a Mac with an old version of macOS?

Target Audience: Iscte-IUL Community

Answer/Solution: If your MacOS operating system is older than Bing Sur 11.7.10, you must use the following file to install the VPN: GlobalProtect(old).pkg

Further Information: Before installation, you must uninstall GlobalProtect by following these steps:

1. Run GlobalProtect Setup and click Continue/Next.
2. Select the ‘Uninstall GlobalProtect’ option and complete the process.
   Restart the computer.
3. Install the VPN again using the file GlobalProtect(old).pkg.

TIP: Do not update the VPN after installation, as this could prevent it from working.