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what kind of problems might occur when upgrading Sierra 10.12.6 to Catalina

what kind of problems might occur when upgrading Sierra 10.12.6 to Catalina


iMac 27″, macOS 10.12

Posted on Sep 15, 2020 3:51 PM

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Posted on Sep 15, 2020 3:54 PM

None of your 32 bit apps will work.

Make sure you do a backup before you upgrade just in case something goes wrong.

How to upgrade to macOS Catalina - Apple Support

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what kind of problems might occur when upgrading Sierra 10.12.6 to Catalina

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