NEED HELP TO UPGRADE MY iMac
I am using an older iMac 21. 5" mid 2010 that has OS X Yosemite installed. Is it possible to upgrade this operating system at all? If so how? Thank you!
iMac 21.5″, OS X 10.10
Back up your data, check your applications for compatibility, and click on El Capitan or High Sierra.
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