First announced in 1983, Microsoft Windows 1.0 wouldn’t make it to the consumer market for another two years — making it one of the first pieces of software to be dismissed as “vaporware ...

As Microsoft unveils a new version of its Windows operating system, we take a look back at how Windows has changed over the years.

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 ...