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Windows 1.0
Was released on November 20,1985 It provides an environment which can run graphical programs designed for Windows, as well as existing MS-DOS software. Additions they added were -
Windows 2.0
Released in 1987-1988,providing a graphical user interface for improved interaction than the command-line interface of DOS. -
Windows 3.0
Was released on May 22, 1990. It became the first widely successful version of Windows and a rival to Apple Macintosh and the Commodore Amiga on the graphical user interface (GUI) front. -
Windows 4.0
It was released on August 24, 1995, and was a significant progression from the company's previous Windows products. -
Windows 98
On May 5, 1999, which in turn was succeeded by Windows ME on June 19, 2000. Microsoft ended mainstream support for Windows 98 and 98 SE on June 30, 2002, and extended support on July 11, 2006.The famous startup sound for Windows 98 was composed by Microsoft sound engineer Ken Kato, who considered it to be a "tough act to follow." -
Windows 2000
It was produced by Microsoft and released to manufacturing on December 15, 1999 and launched to retail on February 17, 2000. It is the successor to Windows NT 4.0, and is the last version of Microsoft Windows to display the "Windows NT" designation. -
Windows 7
It is a part of the Windows NT family of operating systems. Windows 7 was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009, less than three years after the release of its predecessor, Windows Vista. Windows 7's server counterpart, Windows Server 2008 R2, was released at the same time. -
Windows 8
It was announced at CES 2011, and followed by the release of three pre-release versions from September 2011 to May 2012. The operating system was released to manufacturing on August 1, 2012, and was released for general availability on October 26, 2012.Windows 8 introduced major changes to the operating system's platform and user interface to improve its user experience on tablets, where Windows was now competing with mobile operating systems, including Android and iOS. -
Windows 10
It was first released on July 29, 2015. Unlike previous versions of Windows, Microsoft has branded Windows 10 as a "service" that receives ongoing "feature updates". Devices in enterprise environments can receive these updates at a slower pace, or use long-term support milestones that only receive critical updates, such as security patches, over their ten-year lifespan of extended support.Windows 10 introduces what Microsoft described as "universal apps"; expanding on Metro-style apps.
