Simplify everyday tasks, work the way you want and make new things possible.  Windows 7 Ultimate is the most versatile and powerful edition of Windows 7.  It combines remarkable ease-of-use with the entertainment features of Home Premium and the business capabilities of Professional, including the ability to run many Windows XP productivity programs in Window XP Mode.  For added security, you can encrypt your date with BitLocker and BitLocker-To-Go.