Modular Windows

Modular Windows is an embedded version of Windows 3.1x which being used mainly on Memorex/Tandy Video Information System (VIS). It's been also used as a base for standalone WinPad builds and Windows 3.1 mode for Windows 9x.

It was later replaced with Windows CE which been used on other devices, including the Sega Dreamcast, Handheld PC, Pocket PC (later Windows Mobile).