Windows 1.0 stood the test of time and Microsoft offered supported for its debut outing for 16 years – the most for any version of the OS that has ever seen a release.

The 16-bit versions of Windows (Windows 3.x) operated in the following modes. See Windows.. 386 Windows Real Standard Enhanced Version Mode Mode Mode 3.0 X X X 3.1 X X WFW 3.11 X ...