Which macOS are compatible with MacBook Air?
I'm using OSX 10.10.5. Can I update my MacBook Air?
[Re-Titled by Moderator]
MacBook Air
Back up your data, check your applications for compatibility, click here, and depending on which MacBook Air model you have, then on the download link for El Capitan, High Sierra, Mojave, Catalina, Big Sur, or Monterey.
Catalina and newer won't run 32-bit software; download and use Go64 as well as using the first link above.
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