Do you remember Windows 1.0? Chances are, your answer is “no.” When Microsoft released the very first version of Windows nearly 25 years ago, on Nov. 20, 1985, it was late to the game and little used.

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 ...

Depending on how you count them, there have been 15 major versions of Windows, with Microsoft's inconsistent naming scheme resulting in the current version of Windows being Windows 11—go figure. A lot ...

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 ...