TL;DR: If you've ordered a MacBook Air M4 or a new Mac Studio, you'll have to perform a day-one update of macOS to version 15.3.1. With the MacBook Air, you'll be updating from Sequoia 15.2, a bit of ...
Unlike iPhone and iPad updates, some people prefer to wait a little longer to download the latest macOS version. One of the reasons is that some apps don't support the newest software. There's also ...