For machines that already have Mac OS X Lion, skip to slide 3. Snow Leopard First First of all, Mountain Lion is only available through Apple's Mac App Store. And, Apple's Mac App Store can only ...

Apple today released Mac OS X 10.7 Lion and it is the first release of OS X to be distributed primarily through a digital channel. That digital channel, the recently released Mac App Store, is the ...

According to the website, OS X Mountain Lion will be available exclusively from the Mac App Store, breaking Apple’s usual tradition of making ... as well as to encourage users to keep the Mac App ...