Windows 7 Ultimate Overview
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.

Features of Windows 7 Ultimate
64-bit versions Combines remarkable ease-of-use with the entertainment features of Home Premium and the business capabilities of Professional–get it all with with Windows 7 Ultimate
Make the things you do every day easier with improved desktop navigation; start programs faster and more easily, and quickly find the documents you use most often
Run many Windows XP productivity programs in Windows XP Mode; watch, pause, rewind, and record TV on your PC
Easily create a home network and connect your PCs to a printer with HomeGroup; connect to company networks easily and more securely with Domain Join
Recover your data easily with automatic backup to your home and business network; help protect data on your PC and portable storage devices against loss or theft with BitLocker