iMac OS X Yosemite 10.10.5 late 2014
Can i upgrade the OS to Sierra?
iMac 27″, OS X 10.10
Question marked as
Back up your data, check the application compatibility table, click here, and then on the download link for a newer OS. That model's maximum one is Big Sur.
Catalina and above won't run 32-bit software and split the functions of iTunes up; if you choose one of them, use Go64 as well.
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