Apple’s new operating system, Mavericks has been available to download since the end of October 2013. It’s a free upgrade for all versions of Mac OS X going back to 2009 – that’s Snow Leopard and ...

Apple's latest operating system MacOS Big Sur is now available for download. Here's how to get it on your Mac. Managing Editor Alison DeNisco Rayome joined CNET in 2019, and is a member of the Home ...

OS X, the most important piece of software in Apple history, turns 20 today. Going on sale in its full, public version on March 24, 2001, Mac OS X 10.0 — code-named Cheetah, the first of many ...