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What is latest OS for a iMac 27" (late 2009)

Currently running 10.13.6 High Sierra.

Anyone running later OS than that please?

iMac 27″, macOS 10.13

Posted on Apr 2, 2022 6:11 AM

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Posted on Apr 2, 2022 6:15 AM

10.13.6 High Sierra is the latest you can run on your obsolete machine

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