How to update a 2009 iMac using OS X 10.10.5

How to update a 2009 iMac using OS X 10.10.5


iMac, OS X 10.10

Posted on Feb 8, 2021 2:05 PM

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Posted on Feb 8, 2021 2:33 PM

Early and Mid-2009 iMacs cannot be upgraded beyond El Capitan 10.11.6 and Late-2009 iMacs cannot be upgraded beyond High Sierra 10.13.6.

If yours isn't at the last possible upgrade as indicated above, see instructions in: How to get old versions of macOS - Apple Support

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How to update a 2009 iMac using OS X 10.10.5

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