Microsoft - Windows XP Professional with SP1 Full Retail #E85-00086

Product Features

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 simply & easily connect to wireless networks whether in home, office or out.
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
Clean, simple design of Windows XP Professional puts the features you use most often at your fingertips, helping you find them quickly.