Apple has opened registration of OS X Mountain Lion Download Free with Register Serial Key

At WWDC 2012 Apple announced that all buyers of new Mac computers will be able to get a free upgrade to the new OS X Mountain Lion, when it comes out. Apple today launched a free upgrade program «OS X Mountain Lion Up-to-Date Program». All who have purchased the new Mac after WWDC 2012 to go to the link and fill out the form that appears and enter the serial number of the Mac to get a free copy of OS X Mountain Lion.