Beginning June 26, 2009 Microsoft’s newest operating system Windows 7 will officially be available for preorder. To support this launch, two editions, Home Premium and Professional, will be made available for 50% off or more. This offer will last through July 11, 2009 or while supplies last, whichever comes first. Windows 7 is a truly exciting new Microsoft launch with great new features including Jump Lists, Aero Shake, Snap, new Device Stage Management, as well as new levels of home group network interaction. Interactively learn about these features and more at the Amazon.com Windows 7 Resource Center.