Microsoft Windows 7 Ultimate x86 SP1

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 Windows XP Mode. For added security, you can encrypt your data with BitLocker and BitLocker To Go. And for extra flexibility, you can work in any of 35 languages. Get it all with Windows 7 Ultimate.

Easiest Windows to use ever
Simplify your PC with new navigation features like Aero Shake, Jump Lists, and Snap.
Customize Windows to look and feel the way you like by changing themes and taskbar programs.
Easy to network (with or without a server).
Back up your complete system over a network.
Help protect data on your PC or portable storage device against loss or theft with BitLocker.

Faster and more flexible
Designed to make your PC sleep and resume quicker.
Takes full advantage of 64-bit PC hardware and memory.
Windows XP Mode gives you the business flexibility you need.
Switch between any of 35 languages.

Best PC entertainment experience
Watch, pause, rewind, and record TV with Windows Media Center.
Blu-ray read/write support for data files.
Includes integrated video and Dolby audio codecs.