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When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
I have a have an iMac (21.5 inch Mid 2011) what do I need to do to upgrade to to newer software Catalina?
That requires a complicated string of unsupported hardware, software, and firmware changes that makes dual-booting linux and internal HDD to SSD upgrades look easy.
"You need a newer iMac" is the fastest and simplest path to Catalina and my recommendation as well.
If you want to upgrade to Catalina, you will have to buy a newer Mac.
The mid 2011 iMac is not compatible with anything higher than High Sierra.
I have a have an iMac (21.5 inch Mid 2011) what do I need to do to upgrade to to newer software Catalina?
