20 July 2011 / 14:07BST We are part of The Trust Project What is it? 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 Stay on top of tech with Stuff in your inbox every week Thank you for registering for our Newsletter We will send you relevant emails and updates.