Best OS for Retina 5K 27inch IMac late 2015

3.2 GHz quad core intel core i5

8GB memory

AMD Radeon R9

Thanks

Earlier Mac models

Posted on Jan 2, 2025 3:16 PM

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2 replies

den.thed

Level 10

94,398 points

Jan 2, 2025 7:15 PM in response to VictorDalsgaard

macOS 12 Monterey, which is the latest that the Late 2015 iMac can run.

Jan 2, 2025 3:49 PM in response to VictorDalsgaard

How to download and install macOS - Apple Support

Note that Catalina and above

Break 32-bit applications
Ditch iTunes, in favor of separate applications (Music, TV, Podcasts, Books) and extra functionality in the Finder

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Best OS for Retina 5K 27inch IMac late 2015

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