OS Upgrade
I have a MacBook Air, can it be upgraded beyond macOS High Sierra (ver 10.13.6)? If so how do I upgrade it?
MacBook Air 11″
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Back up your data, check the application compatibility table, click here, and if the MacBook Air is a 2012 or newer model, then on the download link for a higher OS.
Catalina and above won't run 32-bit software; if you choose one of them, use Go64 as well.
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