Windows 10 was the OS of many firsts. It was the first to be built in the open alongside the public, with frequent technical and consumer preview builds on an almost weekly cadence, via a new program ...

Windows 1 was a dismal failure, Windows 2 was mostly a total flop but did have some redeeming features, and Windows 3 was perhaps the greatest comeback story in the history of software at that time.

On November 20th, 1985, a then not-so-big company called Microsoft announced that Windows was commercially available. Read the full story of the Microsoft operating system below. Windows 1 to 11: The ...