Microsoft Windows XP Professional UPGRADE with SP2 Automatically keep your PC up-to-date with the latest security enhancements including the Windows Security Center, Windows Firewall Windows XP Professional provides rich, wireless network support, helping you simply and easily connect to wireless networks whether in your home, office, or out on the road Quickly set up and connect all the computers, printers, devices, and an Internet connection in your home with the all new Network Setup Wizard Encrypting File System provides an additional level of file protection from hackers and data theft by transparently encrypting files with a randomly generated key Clean, simple design of Windows XP Professional puts the features you use most often at your fingertips, helping you find them quickly