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How do I know if I can update my computer

iMac 21.5″, OS X 10.11

Posted on Mar 3, 2021 12:41 PM

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Posted on Mar 3, 2021 12:45 PM

Back up your data, check your applications for compatibility, and depending on which iMac model you have, download High Sierra, Catalina, or Big Sur. A 21.5-inch iMac can be upgraded at least as far as High Sierra.

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