How do I update the iOS on my Mac Book Air 2012?
I need an iOS on my older mac so that I can download iOS 15 or the latest iOS. It is important as I have an interview soon and I need to have the iOS 15 or the latest iOS.
Earlier Mac models
Question marked as
To learn how to update macOS please read Update macOS on Mac - Apple Support.
iOS is for iOS devices — iPhones and iPads. To learn how to update them, please read Update your iPhone or iPad - Apple Support.