How do I update my OS? I can't find Big Sur. I have a 2013 Macbook Air.
How do I update my OS? I have a 2013 Macbook Air and am still using El Capitan.
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Back up your data, check your applications for compatibility, and click on Sierra, High Sierra, Mojave, Catalina, or Big Sur. If you get a 'Cannot connect to App Store' error messaage or the Mac App Store home page when trying to upgrade to High Sierra or newer, wait a few hours and check again.
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