Windows 20xx
Windows 20xx can refer to either an individual or following versions of Microsoft Windows:
- Windows 2000
- Windows 2001 (Whistler 2001, a beta version of Windows XP)
- Windows 2003
- Windows 2007
- Windows 2008
- Windows 2011
- Windows 2012
Windows 20xx can refer to either an individual or following versions of Microsoft Windows: