I upgraded to Mac OS Big Sur I'm not satisfied and my Mac is ruined so many errors I regret I wanna update to Mac OS Catalina asap
I upgraded to Mac OS Big Sur and my MacBook is ruined so many errors kindly downgrade to Mac OS Catalina asap
MacBook
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i agree with BobTheFisherman. please tell us what error messages you are getting.
if you want to throw in the towel, and have a time machine backup, please read Revert your Mac to a previous macOS version - Apple Support
