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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Windows 1.0 officially released to the public 40 years ago today (November 20), and despite its ...

First developed in 1981 by computer scientist Chase Bishop, the software project that would eventually become Windows actually started life under a far wonkier name: "Interface Manager." The title was ...

How many versions were there? Microsoft entered the marketplace in August 1981 by releasing version 1.0 of the operating system Microsoft DOS (MS-DOS), a 16-bit command-line operating system The first ...