I originally loaded DB3 (database program) on my first computer, the IBM AT back around '86. I was able to port it over to my Win95 and the 3 WinXP computers over the years. As I recall, I did it by copying the program directly from DOS on the old computer, then creating a directory in DOS on the newer computer and pasting the files there, then running the program in a DOS window in compatibility mode. Once it was running in the newer computer, I could print from it to the newer printer without problem. It's been a number of years ago now, but I believe that was how I did it. I no longer use that program so did not try to install it on the Win10 laptop.
