Windows XP

Windows XP is a version of the Microsoft Windows operating systems. It was developed by Microsoft and released in 2001.

Versions

 * Windows XP Starter Edition: The XP edition for people who are new to computers
 * Windows XP Home Edition: The XP edition for home users
 * Windows XP Media Center Edition: The XP for the living room TV
 * Windows XP Tablet Edition: The XP for pen/tablet computers
 * Windows XP Professional: The XP edition with more possibilities than the Home Edition. Also shipped in 64-bit. (x64)

Windows Update and Service Packs
To ensure full security on a user's computer and also to provide other updates, Microsoft has released three service packs. Between these service packs, many updates have been released, most of them being security updates (usually named "Security Update KB" followed by a number). Service pack 2 contains many new features, also especially targeted at security. The Windows Security Center contains many security features, including firewall, configuration for automatic updates and others.