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How can I update the OS system on an iMac that has OSX Yosemite?

My 2008iMac was updated to OSX Yosemite . How can I update the OS?

iMac Line (2012 and Later)

Posted on Jul 7, 2020 1:03 PM

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Question marked as Top-ranking reply

Posted on Jul 7, 2020 1:09 PM

An iMac from 2008 is too old to upgrade past El Capitan.

How to upgrade to OS X El Capitan - Apple Support


The next releases—Sierra and then High Sierra—require an iMac from 2009.

How to upgrade to macOS Sierra - Apple Support

How to upgrade to macOS High Sierra - Apple Support


A newer or new Mac is your path.


This ~12 year old Mac has served well over its years.

1 reply
Question marked as Top-ranking reply

Jul 7, 2020 1:09 PM in response to ilene35

An iMac from 2008 is too old to upgrade past El Capitan.

How to upgrade to OS X El Capitan - Apple Support


The next releases—Sierra and then High Sierra—require an iMac from 2009.

How to upgrade to macOS Sierra - Apple Support

How to upgrade to macOS High Sierra - Apple Support


A newer or new Mac is your path.


This ~12 year old Mac has served well over its years.

How can I update the OS system on an iMac that has OSX Yosemite?

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