Windows 1.0 officially released to the public 40 years ago today (November 20), and despite its age, still has some common similarities with what users can expect from the operating system today.

What just happened? Almost four decades on, a hidden feature of Windows 1.0 has been found for the first time. It's an Easter egg saying "congrats!" that contains the names of the original Windows ...

Members of the Windows 1.0 team at their 40-year reunion this week. L-R, kneeling/sitting: Joe Barello, Ed Mills, Tandy Trower, Mark Cliggett, Steve Ballmer (holding a Windows 1.0 screenshot) and Don ...

Lucas Brooks, an avid Windows fan who digs through and analyzes its early iterations, recently shared his discovery of an easter egg that's been hiding in Windows 1.0 for nearly 37 years. Brooks ...

In the annals of PC history, IBM’s OS/2 represents a road not taken. Developed in the waning days of IBM’s partnership with Microsoft—the same partnership that had given us a decade or so of MS-DOS ...