To get the answer, just put a decimal point in the number "50"—my first Microsoft product was MS-DOS 5.0.

This means that they can, in theory at least, still run MS-DOS. The venerable Microsoft 16-bit OS may now be long discontinued, but there is still enough need for DOS that the open-source FreeDOS ...

In the mid-1990s, Microsoft DOS dominated most PCs. Those who were a step ahead might’ve been using Windows 3.1, but even that was a superimposed user interface on top of MS-DOS. Windows was ...