Windows Professional (1993-2015) can refer to either an individual or all of the following versions of Microsoft Windows. * Windows 3.x Workstation (released in 1993-1996) * Windows NT Workstation (released in 1993-2001) * Windows x.00 Workstation (released in 1996-2001) * Windows 2000 Professional (released in 1999-2000) * Windows XP Professional (made in 2000 and released in 2001-2010) * Windows 7.x Professional (released in 2009-2011) * Windows 8.x Workstation/Pro (released in 2012-2014) * Windows 10 Pro (released in 2015)