Why go Pro?
With Windows 7 Professional, fewer walls stand between you and your success. Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. In addition, run many Windows XP productivity programs in Windows XP Mode and recover your data easily with automatic back-ups to your home or business network.Take a look at these highlighted features in Windows 7 Professional:
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XP Mode
Get all the benefits of Windows 7 and continue to leverage your investments in older business and productivity programs that require a PC running Windows XP. It's the best of both worlds: The new Windows XP Mode lets you run older Windows XP business software right on your Windows 7 desktop. This feature is designed primarily with small- and medium-sized businesses in mind. Windows XP Mode comes as a separate download and works only with Windows 7 Professional and Ultimate. -
Home Group
Have you ever needed to print a file at home when you weren’t connected to a printer? Did you decide that even with a home network, it was easier to just put the file on a USB drive and take it to the PC with the printer? That’s one reason we created HomeGroup. New with Windows 7, HomeGroup takes the headache out of sharing files, devices, and printers on a home network. Connect two or more PCs running Windows 7, and HomeGroup makes it easy to automatically start sharing your music, pictures, video, and document libraries with others in your home group. 
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Domain Join
If you use your PC at work, and your company uses a network, there's a good chance you'll need this feature to use the network. The Windows 7 Professional and Ultimate editions are designed to join a domain quickly and more securely. Just follow the easy-to-use wizard, which prompts you to enter your network credentials. A few moments later you're in business. -
Location aware Printing
Do you routinely print to multiple printers from your laptop? With Windows 7 Professional or Ultimate, you can set up default printers for each network you use and will not need to manually switch printers when you move between locations. So when you print at work, Windows 7 will automatically print to your work printer. When you print at home, Windows 7 will automatically select and use your home printer. 
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Back up and Restore
Now you can easily configure and schedule regular backups of your important files like photos and financial records. Let Windows choose what to back up, or pick individual folders, libraries, or drives. Windows can back up files on whatever schedule you choose and back up files to another drive, your network, or a DVD. If you want to backup to a network location, say on your company's central server, network attached storage, or another computer on your network, you'll need Windows 7 Professional or Ultimate. -
Remote Media Streaming
Ever wished you could enjoy the music, videos, and pictures on your home PC while you're away? Now you can. Windows 7 introduces Remote Media Streaming, which provides easy access to your Windows Media Player 12 library over the Internet. 
