Microtext is a powerful but easy-to-use system which simplifies the production of a wide range of man-computer dialogues. Text, graphics and video can be used ni one integrated presentation. Users with no computer experience can produce instructional material quickly and easily, while more experienced users can make use of many sophisticated facilities. Applications include interviewing systems, teaching packages, training courses, and interactive demonstrations and simulations.

Thanks to Perifractic for locating and sharing this package.  You can find more information about Microtext in Perifractic's YouTube videos.  You can also find the manual here.