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.

Learn more about Engadget writer Timothy J. Seppala and their expertise in the field of tech.

Time to flip open those Microsoft Windows history books, because this might be one of the only mentions of "OS/2" on this ...

Windows 1.0 did set the stage for Microsoft to take the OS market by storm, however, and it introduced some iconic features ...

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 ...