Ok, I did all of that... and it just says "Program requires Windows to run." I'm guessing I can't do anything else to make it work?

I have an iBook G4, without Intel or PowerPC and I'm running the latest version of DosBox. I'm trying to get Princess Maker 2 (English) to run on the computer, and every time I type in the program it says "Invalid" or that I can't run it. I'm in "C:" and it finds the directory and all of its …