That’s the term for very old editions of games that have been mostly “abandoned” by their publishers.

Generally, yes. First, you’ll need to find or put together a list of those games. Then, you have two directions you can go. If you’re looking for ease of use, see how many of those games are on gog.com , they specialize in packaging old games to run on modern systems. On the other hand, if you have a little technical knowledge, you can google games one at a time with the word “abandonware”. That will usually get you somewhere where downloading will be possible. Learn how to use DosBox, set up your games in it, and off you go.