How to upgrade from 10.10 to 10.11

I have an old but reliable and perfectly functional iMac 21.5 mid 2011, I was very happy so far using OSX 10.10, but now Chrome and other apps are requesting 10.11 minimum. I cannot find straight forward instructions to get it on my search. Please help....

iMac 21.5″, OS X 10.10

Posted on Mar 31, 2021 6:23 AM

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How to upgrade from 10.10 to 10.11

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