I was installing PPTP for windows 10 and had accidentally selected the .rpm files to be opened by the wrong thing so I can't quite use the .rpm file properly. I reinstall the .rpm but it opens the...

Well, I found the .rpm in the choose default apps by file type section but what program is it that a .rpm is used by so I can search it up and select it as default.

I accidentally switched the default program that open opens my .rpm files and now I don't know how to fix it.