Microsoft introduced an operating environment named Windows on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs).
Defunct Microsoft Windows families include Windows 9x, Windows Mobile and Windows Phone. Windows Server or Windows Embedded Compact) (Windows CE). Active Microsoft Windows families include Windows NT and Windows IoT these may encompass subfamilies, (e.g. Each family caters to a certain sector of the computing industry. Microsoft Windows, commonly referred to as Windows, is a group of several proprietary graphical operating system families, all of which are developed and marketed by Microsoft.
