Roses are red, violets are blue, mutants are ugly, so what do we do? Well, this time players will need to type increasingly more overblown and contrived sweet nothings in order to repel hordes of amorous mutants queuing up to give them a love bite they’ll never forget.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.