Windows 7 Professional (includes 32 & 64-bit versions) lets you
run Windows XP productivity programs in Windows XP Mode.
Recover data easily with automatic backups to your home or business
network, connect to company networks effortlessly and more securely
Make the things you do every day easier with improved desktop
navigation; This is the Retail version of the software
Start programs faster and more easily, and quickly find the
documents you use most often
Easily create a home network and connect your PCs to a printer with
HomeGroup