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Level 1

8 points

Catalina

How do I undo upgrade to Catalina? Need to go back to High Sierra 10.13.6

MacBook Air 13″, macOS 10.15

Posted on Sep 23, 2020 1:23 PM

Top-ranking reply

Level 7

20,886 points

Posted on Sep 23, 2020 1:26 PM

What kind of backup do you have?

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