Category:Windows

Windows is the collective name for Microsoft's immensely popular line of operating systems. As well as being widely used by businesses, Windows is the primary operating system PC games are developed for. It is the successor to MS-DOS, which previously held a similar market share in both the home and business markets.

New versions of Windows generally maintain a high degree of compatibility with software developed for past versions of Windows (and limited compatibility with MS-DOS), and new software releases will often work on older versions of Windows. This changed with Windows Vista; some releases (such as Halo 2) are specifically designed to only work with Windows Vista, and so cannot be used on previous versions of Windows.

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 * Consumer product line
 * Windows 1.01 (1985)
 * Windows 2.0 (1987)
 * Windows 2.1x (1988)
 * Windows 3.0 (1990)
 * Windows 3.1x (1992)
 * Windows 95 (1995)
 * Windows 98 (1998) and Windows 98 Second Edition (1999)
 * Windows Millenium Edition (2000)

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 * NT product line
 * Windows NT 3.1 (1993)
 * Windows NT 3.5 (1994)
 * Windows NT 3.51 (1995)
 * Windows NT 4.0 (1996)
 * Windows 2000 (2000)
 * Windows XP (2001)
 * Windows XP 64-bit Edition Version 2003 (2003)
 * Windows Server 2003 (2003)
 * Windows Fundamentals for Legacy PCs (2006)
 * Windows XP Professional x64 Edition (2005)
 * Windows Vista (business versions; 2006)
 * Windows Home Server (2007)
 * Windows Vista (home versions; 2007)
 * Windows Server 2008 (2008)
 * Windows 7 (2009)
 * Windows Server 2008 R2 (2009)
 * Windows 8 (2012)
 * Windows 8.1 (2013)
 * Windows 10 (2015)
 * Windows 11 (2021)