my mcbook air is still mac os high sierra,, what should i do to upgrade it?
can anyone help me to upgrade my macos high sierra to update version? thnk you
MacBook Air 13″, macOS 10.13
Question marked as
If you have a 2013 or later MacBook Air you can upgrade to Big Sur.
How to upgrade to macOS Big Sur - Apple Support
If your MacBook Air is from 2011 or earlier, you cannot upgrade beyond High Sierra.