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jneas111 Author

Level 1

4 points

OS Sierra

I have an iMac 21.5" Late 2015, what OS can I update to

iMac 21.5″, macOS 10.12

Posted on Apr 5, 2023 1:58 PM

Top-ranking reply

Jack-19

Level 8

46,002 points

Posted on Apr 5, 2023 2:06 PM

Hi there!

You can upgrade to macOS Monterey.

How to download macOS - Apple Support

Before installing, it’s a good idea to back up your Mac. While installing, avoid putting your Mac to sleep or closing its lid. Your Mac will restart, and it might show a progress bar or blank screen several times.

Jack

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OS Sierra

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