Resident Evil is a survival horror classic in which a group of special forces agents, known as S.T.A.R.S, struggle against hordes of zombies and various other mutants in a mysterious mansion as they try to uncover the truth behind the terrifying infection. The game is credited for coining the phrase "survival horror" and popularizing the genre.Go to: http://store.steampowered.com/ and download STEAM client
Click “Install Steam” (from the upper right corner)
Install and start application, login with your Account name and Password (create one if you don’t have).
Please follow these instructions to activate a new retail purchase on Steam:
Launch Steam and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam…
Follow the onscreen instructions to complete the process.
After successful code verification go to the “MY GAMES” tab and start downloading.