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How to downgrade from Catalina without erasing my whole computer

Hey Apple community,


I upgraded to Catalina without knowing it's going to interfere with my Steam games. Is there a way to downgrade to Mojave without having to erase my whole computer? I see that you can still access the Mac OS Mojave page on the Apple Store so I wasn't sure if it would hurt my MacBook if I installed Mojave while I currently have Catalina.

Posted on Oct 17, 2019 10:13 AM

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Posted on Oct 17, 2019 3:33 PM

hmmm... Look through this and see if you are missing something.


https://support.apple.com/guide/mac-help/revert-to-a-previous-macos-version-mh15216/10.15/mac/10.15


6 replies

How to downgrade from Catalina without erasing my whole computer

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