From The Free On-line Dictionary of Computing (19 January 2023): Windows XP XP <operating system> The version of the Microsoft Windows operating system that, when it was released on 2001-10-25, finally merged the Windows 95 - Windows ME strain with the Windows NT - Windows 2000 one. XP comes in two main versions: Windows XP Professional Edition and a simplified subset for home users, Windows XP Home Edition. Windows XP home page (http://microsoft.com/windowsxp/). (2009-08-12)
Windows XP XP
<operating system> The version of the Microsoft Windows operating system that, when it was released on 2001-10-25, finally merged the Windows 95 - Windows ME strain with the Windows NT - Windows 2000 one. XP comes in two main versions: Windows XP Professional Edition and a simplified subset for home users, Windows XP Home Edition.
Windows XP home page (http://microsoft.com/windowsxp/).
(2009-08-12)