know and understand what it is Microsoft Windows

Along came the technology develops its new version of Windows 1.0 is a windows os version 2, which became the first of the windows that can be installed application and the only application that can be installed is Microsoft Word, which then basing the birth of the windows version 3 can install it promising application application more than one. And the windows version 3.1 became the first Windows operating system that is able to optimize its use on 32-bit processors (Intel 80386 and above). And then the birth was 3:11 which is the Windows version first os windows that support will jairngan and the last os windows after developing his era start menu.

     Now for the more curious version of windows over time, the following versions:
     16-bit, running on top of MS-DOS
         November 1985 - Windows 1.0
         1987 December 9 - Windows 2.0
         1990 May 22 - Windows 3.0
         August 1992 - Windows 3.1
         1992 October - Windows for Workgroups 3.1
         1993 November - Windows for Workgroups 3.11
 
     Hybrids (16-bit / 32-bit), run without MS-DOS (though not entirely)
         1995 August 24 - Windows 95 (Version: 4.00.950)
         1998 June 25 - Windows 98 (Version: 04.01.1998)
         1999 May 5 - Windows 98 Second Edition (Version: 01.04.2222)
         2000 June 19 - Windows Millennium Edition (Me) (Version: 4.9.3000)
 
Based on the Windows NT kernel
         August 1993 - Windows NT 3.1
         1994 September - Windows NT 3.5
         June 1995 - Windows NT 3.51
         1996 July 29 - Windows NT 4.0
         2000 February 17 - Windows 2000 (Version: NT 5.0.2195)
         2001 - Windows XP (Version: NT 5.1.2600)
         2003 - Windows Server 2003 (Version: NT 5.2.3790)
         2006 - Windows Vista (Version 6.0 Build 6000)
         2007 - Windows Home Server (version 6.0.1800.24)
         2008 - Windows Server 2008 (Version 6.1)
         2009 - Windows 7 (Version 6.1 Build 7600)
         2009 - Windows Server 2008 R2 (Version 6.1)
         2011 - 2012 - Windows 8 (in planning)

                                                                  (Source Wikipedia.org)

Advantages Of Using Windows:
Her very friendly -gui
-gampang to be learned (special version of Windows XP only)
Virtually all of the publisher or the creator of the application makes its application will support windows

loss of use of Windows:
his -lisensi tertutp make this os so very expensive
retaliatory virus is very susceptible to the version of Windows 95 and above