Windows went on sale 40 years ago. Here's the whole history of the operating system, from Windows 1 to 11 and everything in between.

Underpinned by the iconic MS-DOS command line, Windows 1.0 is notable in that it specifically required a computer mouse to ...

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 ...