Apple Mac OS X Lion Mac OS X Lion is now on sale Roll up, roll up... Apple’s latest OS offers over 250 new features. And it's on sale now Tweet Open Gallery 20 July 2011 Mac OS X Lion has been released. What to do next? First read our Mac OX X Lion ultimate guide, then decide if it’s worth the £20.99, and head for the Mac App Store to buy it here. Also Mac OS X Lion ultimate guide Need to know – Mac OS X Lion Need to know – iCloud Need to know – iOS 5 Read Apple reviews Tweet You have to login or register to comment.