Happy 21st Birthday to Windows

Microsoft Windows 1.0 was released on November 20th, 1985. Microsoft first introduced an operating environment named Windows in November 1985 as an add-on to MS-DOS in response to the growing trend of graphical user interfaces popularized by the Macintosh. Microsoft Windows eventually came to dominate the world's personal computer market until this date. Happy Birthday Windows! So if you own a windows operating system, give your pc some time to rest, as a gift for your hard working OS hehehe.