So... Mountain Lion is now free from Apple but it comes as a .pkg file I can't run in Big Sur. Is there any way to set up Unibeast using this .pkg file?
1. Download InstallMacOSX.dmg from the Apple link.
2. Download and run Pacifist.
3. In Pacifist click 'Open Package' and select InstallMacOSX.dmg.
4. Browse to Install OS X Mountain Lion.app
5. Right click 'Install OS X Mountain Lion.app' and select "Extract to Custom Location".
6. Choose the /Applications folder as the destination and extract it.
7. Run UniBeast.
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