Windows XP is a line of
operating systems developed by
Microsoft for use on
general-purpose computer systems, including home and business desktops,
notebook computers, and
media centers. The letters "XP" stand for eXPerience. It was
codenamed "Whistler", after
Whistler,
British Columbia, as many Microsoft employees skied at the
Whistler-Blackcomb ski resort during its development. Windows XP is the successor to both
Windows 2000 and
Windows Me, and is the first consumer-oriented operating system produced by Microsoft to be built on the
Windows NT kernel and
architecture. Windows XP was first released on
October 25 2001, and over 400 million copies were in use in
January 2006, according to an estimate in that month by an
IDC analyst. It is succeeded by
Windows Vista, which was released to volume license customers on
November 8,
2006, and worldwide to the general public on
January 30,
2007.
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