Operating system Chromium OS. Microsoft Windows is a family of proprietary operating systems designed by Microsoft Corporation and primarily targeted to Intel architecture based computers, with an estimated 88.9 percent total usage share on Web connected computers. The latest version is Windows 10. In 2011, Windows 7 overtook Windows XP as most common version in use. Microsoft Windows was first released in 1985, as an operating environment running on top of MS-DOS, which was the standard operating system shipped on most Intel architecture personal computers at the time. In 1995, Windows 95 was released which only used MS-DOS as a bootstrap. For
Microsoft Windows version history of Windows. Windows ME was conceived as a quick one-year project that served as a stopgap release between Windows 98 and Windows XP. Many of the new features were available from the Windows Update site as updates for older Windows versions ("System Restore" and "Windows Movie Maker" were exceptions). Windows ME was criticized for stability issues, as well as for lacking real mode DOS support, to the point of being referred to as the "Mistake Edition" or "Many Errors." Windows ME was the last operating system to be based on the Windows 9x (monolithic) kernel and MS-DOS. On October 25,