The initial version was followed by several subsequent releases, and by the early 1990s, the Windows line had split into two separate lines of releases: Windows 9x for consumers and Windows NT for businesses and enterprises.
It was first launched in 1985 as a graphical operating system built on MS-DOS. Microsoft Windows is a computer operating system developed by Microsoft.
Current Windows logo (introduced in 2021) Timeline showing releases of Windows for personal computers and servers
