Help with AvP download

Fairly new to this but not new to Bit or burning cd’s…just got a DVD burner and am trying to burn Alien v Pred download…the download came from Suprnova and was two folders…cd1 and cd2 plus a sample folder and a NFO file…the NFO has no instaructions with it…now inside the 2 cd’s files are many winrar archives with the extension mvn-avpts1, 31 copies, plus R30 files with the extension mvn-avpts1.r30, 25 copies of that one…cd2 same thing just the extension is mvn-avpts2 rar’s and mvn-avpts2.r31…same numbers of theses files also…whats the next step here???

Buy the game. :cop: