Every OS X update or upgrade has a version number and build number, which helps you to know whether OS X is up to date on your Mac.
This article is fun because it goes all the way back to Mac OS X 10.0.
Every OS X update or upgrade has a version number and build number, which helps you to know whether OS X is up to date on your Mac.
This article is fun because it goes all the way back to Mac OS X 10.0.