Changes to Microsoft Windows between r3 and r4

'''[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 6.22
   11. Windows 3.0
   11. Windows 3.1
   11. Windows 3.11 (386-only)
   11. Windows 95
   11. Windows 95 OSR1
   11. Windows 98
   11. Windows 98 SE
   11. Windows ME
   1. NT-based line:
   11. Windows NT 3.1
   11. Windows NT 3.51
   11. Windows NT 4.0

Legend

     Only in r3
     Only in r4
     -->      Modified slightly between r3 and r4