Apple's OS releases have only periodically been updated on physical media, but with the Mac App Store, expect the available OS version to be maintained at its latest release. Topher Kessler MacFixIt ...

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 ...

June 8, 2009: Apple introduces OS X Snow Leopard, a version of its Mac operating system that ranks among the company’s finest desktop updates. Showcased at Apple’s Worldwide Developers Conference in ...