All right, I've tried that, and both times I go and try to install the games, it says that the required disk space is insufficient. That's obviously not true.
I'm trying to install Mario Teaches Typing, and I just tried Operation Body Count. Both give me the same result.
For MTT, I mounted it to A (as a floppy), and so I selected that as my source drive. It only gave me two options for a destination (C: and D
and I've tried both, and both of them say that the space is insufficient.