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latest OS for iMAC 27" late 2013?

What's the latest OS for iMAC 27" late 2013? Research identifies that mac OS Catalina Version 10.15.7 is the latest and only OS available for the above. Is that correct or can I upgrade to ...?

iMac 27″, macOS 10.15

Posted on May 10, 2023 7:57 AM

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Posted on May 10, 2023 12:55 PM

My iMac is in mint condition. What recourse or options do I have for upgrading? Thank you.

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May 29, 2023 7:19 PM in response to marcusfield

Catalina is the latest version of macOS that a 27" Late 2013 iMac can run, but it's not the only version available.


MacTracker says that machine came with assorted versions of Mountain Lion and Mavericks. There are several older versions of macOS that you still can get, and that you could install (using a "clean install" on a spare drive). The main one of interest would be Mojave (10.14) – if you had some 32-bit applications you wanted to resurrect. Otherwise it's best not to downgrade, and to stick with Catalina.

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latest OS for iMAC 27" late 2013?

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