Windows Family OS
 24 February 2012 
 Microsoft Windows - a family of operating systems from Microsoft.
Windows operating systems run on platforms x86, x86-64, IA-64, ARM.
In 1985 it was released the first version of the graphical environment Windows.
Now there are several versions of this system - 95, 98, 2000, Me, NT, XP, Vista, Windows 7.
- Windows 7
 - Windows XP
 - Windows 2000
 - Windows Vista
 - Windows Server 2008
 - Windows Server 2003