What to do after installing origin and signing in, Adding nfsmw 2012 , From Disc

What should I do after Adding game through product code in origin from The Cd Case? ...There is an option to download the game but I have bought Cd for nfsmw 2012, What to do??..Plz help me out.. There is also a rar file in the disc named "NFSMW" ...What to do?? Help me