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What is the best or fastest MacOS version for iMac mis2015?

What is the best or fastest MacOS version for iMac mid2015?

iMac

Posted on Sep 12, 2022 1:18 PM

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Posted on Sep 12, 2022 1:43 PM

The most current version it can support is generally the best version to have.

For a 2015 iMac that would be macOS 11 Big Sur. See here to update to that: link-> How to download macOS - Apple Support

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