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Mon4475 Author

Level 1

4 points

what is highest os for imac 21.5" mid 2011 currently running OS X 10.11.6

What is highest os for imac 21.5" mid 2011 currently running OS X El Capitan v10.11.6 ? Apple Menu Software Update does not show a new update available.

iMac 21.5″, OS X 10.11

Posted on Dec 30, 2021 2:57 PM

Top-ranking reply

rkaufmann87

Level 10

144,150 points

Posted on Dec 30, 2021 3:01 PM

A 2011 iMac can run up to 10.13.6, you can get it by clicking How to get old versions of macOS - Apple Support

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what is highest os for imac 21.5" mid 2011 currently running OS X 10.11.6

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