7 classic versions of Windows and Mac OS you can run in a browser It's the easiest way to revisit the operating systems of yore.

The history of Windows isn't just changing Start menus. Here's a look at the evolution of Microsoft's flagship operating ...

Even though Windows 1.0 was widely lampooned as vaporware – we'll get back to that later – it did what it set out to do – make personal computing affordable for the masses.