You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Level 1

4 points

Can I upgrade the OS on my iMac 21.5" late 2009? It was upgraded once to High Sierra 10.13.6. Can I upgrade further to Mojave or Big Sur?

Can I upgrade the OS on my iMac 21.5" late 2009 computer? It has been upgraded one to High Sierra 10.13.6. Can I upgrade to Big Sur or Monterey?

Posted on Oct 7, 2022 11:45 AM

Top-ranking reply

Level 8

46,062 points

Posted on Oct 7, 2022 11:46 AM

Hello!

Unfortunately, no. macOS High Sierra is the newest version of macOS your iMac can run.

Jack

View in context

Similar questions