How do i get DOOM to work?

I Downloaded the newest update for Doom& Doom2 but i cant figure out how to use it can someone please help me wit a walkthrough or a VERY simple explanation of where to put the files and how to get it to work

Thanks :)

Well much like all homebrew it can be found using the fancy search button. Crazy huh?

edit:He has been helped through pms and the such topic closed.

I got V 1.5 Firm