What is the latest OS that I can download to an iMacRetina 5K Late 2014)
What is the latest OS that I can download to an iMacRetina 5K Late 2014)? Currently I have High Sierra Version 10.13.6.
iMac 27″, macOS 10.13
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A late 2014 iMac can be upgraded to the latest version of Big Sur macOS 11 but no later. See: How to get old versions of macOS - Apple Support