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uninstall mac software on a mac book pro laptop

How can I uninstall macOS Big sur and reinstall catalina 10.15 instead?

MacBook Pro

Posted on May 17, 2021 12:42 AM

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Posted on May 17, 2021 6:27 AM

Revert your Mac to a previous macOS version


4 replies

uninstall mac software on a mac book pro laptop

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