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How do I update my 2010 IMac 27" operating system from OS X El Capitan to a compatible OS??

iMac 27″, OS X 10.11

Posted on Sep 18, 2022 9:53 PM

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Posted on Sep 18, 2022 9:58 PM

Back up your data, check your applications for compatibility, click here, and then on the download link for High Sierra. It can't be upgraded past that.

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