IEEE Bushy Tree

Windows XP is a line of operating systems developed by Microsoft for use on personal computers, including home and business desktops, laptop computers, and media centers. The name "XP" stands for eXPerience.[1] 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 (version 5.1) 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 International Data Corporation analyst.[2]

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Windows XP Branch
Preceded by
Windows 2000
Windows XP Followed by
Word 2008 Branch
Influenced by
Windows XP Influenced
Word 2002
Lernout & Hauspie Branch
Also includes
Lernout & Hauspie
Windows XP Included in