What is MS Windows?

MS windows or Microsoft windows is a computer operating system developed by Microsoft Corporation. It is the most widely used computer operating system worldwide. Microsoft windows is a wider terminology and includes several other operating systems that have multiple uses across the computing industry. These are Windows NT, Windows Embedded and Windows Phone; these may encompass subfamilies, e.g. Windows Embedded Compact (Windows CE) or Windows Server.

The first version of Microsoft Windows was launched in 1985 as a graphical operating system shell for MS-DOS. It was one of the earliest graphical user interfaces. There have been several upgrades to it since then. The current of Windows for personal computers, smartphones, server computers and embedded devices are respectively Windows 8.1, Windows Phone 8.1, Windows Server 2012 R2 and Windows Embedded 8.