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Asher1157 Author

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what is latest OS I can install on 2009 iMac?

Late 2009 21.5 iMac - currently running El Capitan, can I upgrade my OS to more current version?

iMac, OS X 10.11

Posted on May 18, 2021 7:51 AM

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Posted on May 18, 2021 7:54 AM

Back up your data, check your applications for compatibility, and click on High Sierra.

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Top-ranking reply

Level 10

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May 18, 2021 7:54 AM in response to Asher1157

Back up your data, check your applications for compatibility, and click on High Sierra.

(198229)

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what is latest OS I can install on 2009 iMac?

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