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

12 points

IMAC 27 inch Mid 2011

How can I update my mac OS High Sierra on my mac 27 inch mid 2001?

iMac 27″, macOS 10.13

Posted on Oct 25, 2021 1:55 PM

Top-ranking reply

Level 10

472,203 points

Posted on Oct 25, 2021 1:57 PM

Sorry, 10.13.6 is the highest update for a 2011 iMac.

iMac (27-inch, Mid 2011)

Model Identifier: iMac12,2

Part Number: MC813xx/A, MC814xx/A

Latest compatible operating system: macOS High Sierra 10.13.6

View in context

Similar questions