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Level 1

8 points

Can Catalina be removed and Mojave or High Sierra be reinstalled on an old Air Mac?

My email program has slowed dramatically with Catalina. Any way to take Catalina off and reinstall Mojave?

MacBook Air 13″, macOS 10.15

Posted on Oct 1, 2020 5:57 PM

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Level 10

125,159 points

Posted on Oct 1, 2020 6:02 PM

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