Windows 2.0 (1987-1990): Introduced desktop icons, expanded memory, and the ability to overlap windows.
Windows 3.0 (1990): Sold 10 million copies of Windows 3.0 in its first two weeks. Software's performance, improved app icons, and added 16 colors to its graphics.
Windows 95 (1995): The iconic Start button made its debut on Windows 95, as did Internet Explorer. Microsoft sold 7 million copies within its first five weeks of availability.
Windows 98 (1998): first real software release for consumers. The ability to read DVDs and the Quick Launch menu were among Windows 98's new features.
Windows ME (2000): features like Windows Movie Maker, support System Restore,
Windows XP (2001-2005): Windows XP was praised for its cleaner aesthetics and smooth performance.
Windows XP (2001-2005): Windows XP was praised for its cleaner aesthetics and smooth performance.
Windows Vista (2006-2008): Windows Vista introduced a new design and some minor updates to existing Windows programs
Windows 7 (2009)
Windows 8/8.1 (2012-present): Windows 8 was unveiled in October 2012. Microsoft completely changed the user interface of Windows 8 from the traditional desktop to a tiled, touch-friendly design