CAN I UPGRADE OS X YOSMITE TO BIG SUR?
macos BIG SUR?
iMac, OS X 10.10
Back up your data, check your applications for compatibility, and if your iMac is a mid-2014 or newer model, download Big Sur. through the link provided. If not, it can be upgraded to El Capitan, High Sierra, or Catalina depending on its age.
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