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

How do I upgrade an iMac 21.5 inch computer w/ High Sierra 10.13.6?

Is there no way to upgrade my iMac computer mid-2011 model 21.5 inches?

iMac 21.5″, macOS 10.13

Posted on Oct 12, 2022 9:56 AM

Top-ranking reply

Level 10

471,723 points

Posted on Oct 12, 2022 10:33 AM

Sorry, no. That is the last possible OS. See the following from Identify your iMac model - Apple Support

iMac (21.5-inch, Mid 2011)

Model Identifier: iMac12,1

Part Number: MC309xx/A, MC812xx/A

Latest compatible operating system: macOS High Sierra 10.13.6

View in context

Similar questions