Windows XP is a operating system launched in 2001 which has been succeeded by Windows Vista and Windows 7.
The letters XP originated from the word eXPerience, the main principle of Microsoft at this time.http://www.microsoft.com/presspass/press/2001/feb01/02-05namingpr.mspx It started the revolution of home computing and computers that were easily accessible by all audiences.
Windows XP Software Editions
Windows XP Home
Windows XP Professional
Windows XP Media Center Edition
Windows XP Tablet PC Edition
Windows XP for Embedded Systems