What's new in OS X Mountain Lion
A quick, visual tour of the most important new features in Apple's latest operating system: OS X Mountain Lion
By Macworld Staff | Network World US | Published: 17:52, 30 July 2012
Apple brags that OS X Mountain Lion boasts more than 200 new features. Even though that number involves some creative counting, there are a lot of impressive additions. Here are 14 of the most important.
The marquee new security feature in Mountain Lion is Gatekeeper - but you won't find a new pane for it in System Preferences. Instead, you open up the General tab in the Security & Privacy preference pane and (after providing your administrator credentials) set the Allow Applications Downloaded From option. That single setting is the front-end for Gatekeeper.