Before Lion (OS X 10.7) debuted last year, installing the latest major version of Mac OS X meant buying a disc and slipping it into your Mac’s optical drive. But Lion changed all that by making ...

If your Mac was released after Lion, it's not quite as easy to make a bootable Lion install disc or drive, but it's still possible. We've got the complete instructions.

OS X Lion, the newest version of Apple's Mac OS X operating system is out today. The update is download-only, and will be available from the Mac App Store for £20.99.

Reinstalling Mac OS X on a Partitioned Hard Drive. The Mac OS X Lion operating system includes a recovery utility that you can use to reinstall the operating system if necessary.

There are 250 new features in OS X Lion, the next version of Apple's software, which you can only buy as a download rather than on disk -- but it's a £21 upgrade for any number of Macs.

Lion is available today in Mac App Store for $29 with over 250 new features including multi-touch gestures, Mission Control, LaunchPad, full-screen apps and a redesigned Mail app.

On Wednesday, Apple revealed its latest upgrade to the Mac OS X operating system, Lion. Twenty-four hours later, the company says over a million users have already downloaded the new release ...

OS X Mountain Lion (10.8) Mountain Lion was the first version of OS X to arrive after Steve Jobs’ death, and it focused on aligning Mac computers with the late CEO’s other major contribution ...