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Going back to Catalina from Big Sur

How can I go back to Catalina from Big Sur? My iMac doesn’t work anymore with Big Sur, it takes so long to boot up, nothing opens up anymore, it’s just plain awful and I think I ruined my iMac. 😢

iMac 21.5″ 4K, macOS 10.15

Posted on Apr 8, 2021 11:57 AM

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Question marked as Top-ranking reply

Posted on Apr 8, 2021 12:05 PM

See if the following support article answers your question:

2 replies

Going back to Catalina from Big Sur

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