The Diagram-Master Decision Resources IBM PC VTG 1985 Computer Software is a vintage software product that is new and sealed. This software is designed for IBM PCs from 1985 and is a valuable collectible for vintage computing enthusiasts. Produced by IBM in the United States, this software offers users a unique window into the technology of the past and provides a glimpse into the decision-making processes of the time. Please look at the pictures and ask any questions before you offer. Check out my response!!