how to update my mac
How do update my mac air from 2013 to current IOS
MacBook Air 13″, OS X 10.11
Back up your data, check your applications for compatibility, and click on High Sierra, Mojave, Catalina, or Big Sur. If you get a Mac App Store preview page, change the https at the beginning of its address to macappstore.
Catalina and newer won't run 32-bit software; download and use Go64 to scan for it. To look up other programs, click here.
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