MacBook Air system upgrade
What system can I upgrade my MacBook Air 2012 to and how do I do this?
MacBook Air 11″, OS X 10.11
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Back up your data, check your applications for compatibility, and click on High Sierra, Mojave, or Catalina.
32-bit software won't run in Catalina and newer; download and use Go64 to scan for it. To check general compatibility, click here and look your programs up.
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