The first Mac software was called System 1 and it was released on January 24, 1984, and there have been 30 major updates since. Apple rebranded to Mac OS with the release of mac OS 8 on July 26, 1997.

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 ...

OS X changed the game for Apple. Image: Killian Bell/Cult of Mac 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, ...