Microsoft Windows. or better known as Windows is a family of operating systems. developed by Microsoft, using the graphical interface (graphical user interface). Windows operating systems have evolved from MS-DOS, an operating system-based text mode and command-line. The first Windows version, Windows Graphic Environment 1.0 was first introduced on 10 November1983, but a new exit the market in November 1985, which was created to meet the needs of a computer with a pictorial display. Windows 1.0 is a software 16-bit extra (not an operating system) running on top of MS-DOS (and some variants of MS-DOS), so he will not be able to run without the DOS operating system. Version 2.x, 3.x version is the same. Some of the latest version of Windows (starting from version 4.0 and Windows NT 3.1) is an independent operating system that is no longer dependent on MS-DOS operating system. Microsoft Windows and then can grow and can competently use an operating system until it reaches 90%.