Hi aaaleee!
I'm a little confused, the DD13 Windows exe should just be a runnable. I didn't create any installer... The instructions I included were just how to run the DOS version in DOSbox. Are you talking about the 7z file? I can upload a zip file instead. You might actually be disappointed with the DD13 version though with just how bad it is - I almost want to suggest that you wait until the DD14 version because I'm hoping I'll have a way to make Mac executables by then and I'm also hoping that it'll be more of an actual game than it actually is (it is not much of a game right now).