Introduced in 1990 as a Windows-only family of applications for desktop computers, Office has grown to become the world’s most widely used productivity suite, with reporting an estimated 1.2 billion + user worldwide as of 2016. Windows is also the foundation for the Microsoft Office productivity suite.

In addition to Windows operating systems for personal computers, Microsoft also offers operating systems for servers and mobile devices. Windows provides a graphical user interface (GUI), virtual memory management, multitasking, and support for many peripheral devices. Windows has traditionally dominated the personal computer world, running, by some estimates, more than 75 percent of all personal computers. Beginning in the early 2000s, Windows dominance has lessened with the growth of the Linux and Mac operating systems. The Windows operating system ( Windows OS) for desktop PCs is more formally called Microsoft Windows and is actually a family of operating systems for personal computers. We look at the history of Windows OS from 1985 to present day. The Windows operating system (Windows OS) refers to a family of operating systems developed by Microsoft Corporation.

Windows 7 date of release