Changes to Microsoft Windows between r8 and r9

'''[http://www.microsoft.com/ | Microsoft](R) [http://www.microsoft.com/windows/ | Windows](R)'''

See also [Win32]

History:
   1. DOS-based line:
   11. December 1980: [http://en.wikipedia.org/wiki/86-DOS | 86-DOS] v0.33
   11. April 1981: [http://en.wikipedia.org/wiki/86-DOS | 86-DOS] v1.0
   11. July 1981: [http://en.wikipedia.org/wiki/86-DOS | 86-DOS] v1.14/[http://en.wikipedia.org/wiki/MS-DOS | MS-DOS] v1.01
   11. March 1982: [http://en.wikipedia.org/wiki/MS-DOS | MS-DOS] 1.25
   11. ''... skip a few ...''
   11. MS-DOS 3.3
   11. ''... skip a few ...''
   11. DOS 6.0
   11. DOS 6.2
   11. DOS 6.21
   11. DOS 6.22
   11. Windows 3.0
   11. Windows 3.1
   11. Windows 3.11
   11. Windows 95
   11. Windows 98
   11. Windows ME
   1. NT-based line:
   11. Windows NT 3.5 -->    11. Windows NT 3.1
   11. Windows NT 3.51 -->    11. Windows NT 3.5
   11. Windows NT 4.0 -->    11. Windows NT 3.51
   11. Windows 2000 -->    11. Windows NT 4.0
   11. Windows XP -->    11. Windows 2000
   11. Windows XP
   11. Windows Vista
   11. ''(soon)'' Windows 7

Legend

     Only in r8
     Only in r9
     -->      Modified slightly between r8 and r9