Connect multiple PCs, with or without a server: Use Domain Join to connect PCs quickly and more securely to your wired or wireless domain network.
Specify exactly what you want to share from each PC with all the PCs in the HomeGroup.
Share files across the various PCs in your home: Use HomeGroup to connect your PCs running Windows 7 to a single printer.
Get remote services with DirectAccess: Access corporate resources seamlessly when you're on the Internet, without having to initiate a VPN connection.1 Save time and money resolving IT issues: Take advantage of the powerful diagnostics and troubleshooters built into Action Center to resolve many computer problems on your own. Find virtually anything on your PC – from documents to photos to e-mail: Just click on the Start button, and enter a word or few letters in the name or file you want into the search box, and you'll get an organized list of results. You can back up your files to an external hard drive, secondary hard drive, writable CD or DVD, or to a network location. Automatically back up your files: Protect your data from user error, hardware failure, and other problems. Help prevent theft or loss of data: Use BitLocker and BitLocker To Go to better protect your valuable files – even on removable drives such as USB devices.
You can even watch TV programs for free, whenever and wherever you want. Create a home network and share all of your favorite photos, videos and music.
Windows 7 Ultimate gives you everything Home Premium and Professional offers – plus added security features and the flexibility to work in multiple languages.