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How to update a Mac from Yosemite

How can I update from OS X Yosemite on my iMac?

iMac 21.5″, OS X 10.10

Posted on Jan 3, 2021 10:58 AM

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Posted on Jan 3, 2021 11:12 AM

Back up your data, check your applications for compatibility, and depending on which iMac model you have, download High Sierra, Catalina, or Big Sur.

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