Windows 1.0 is the first major release of Microsoft Windows, a family of graphical user shells and operating systems for personal computers developed by Microsoft.

Aug 26, 2025 · Here is the history of Microsoft Windows operating system and its versions, from Windows 1.0 to Windows 11. Here is a chronology of events that take you through the highlights.

Microsoft Windows 1.01, the first public version of Windows, was released on November 20, 1985. It is shown here running on an IBM PC XT (Model 5160) with an EGA Display.

Feb 9, 2023 · MS-DOS was the first Microsoft operating system, and it technically remained part of Windows until the release of Windows 95. The very first operating system, called GMOS, …

Windows 1 was the first version of the Windows operating system. It was released in November 1985 and was the first attempt by Microsoft to create a graphical user interface.

First version of Windows released Bill Gates announced Microsoft Windows, a graphical user interface for its MS-DOS operating system that he described as “unique software designed for …

Sep 7, 2025 · Bill Gates announced Microsoft Windows on November 10, 1983. Microsoft Windows 1.0 was introduced on November 20, 1985, and was initially sold for $100.00. …

Feb 10, 2025 · Released on November 20, 1985, it was the first major release of Microsoft Windows. Microsoft’s founder Bill Gates was inspired to develop Windows 1.0 after seeing a …

Nov 14, 2023 · Microsoft showed off the first Windows 1.0 pre-release build at COMDEX (a computer expo trade show) in November 1983. The world first saw a Windows OS on green …

Nov 20, 2020 · Microsoft released Windows 1.0 on Nov. 20, 1985. Starting as an environment that ran on top of MS-DOS, Windows became the most popular desktop operating system in the …