Avengers Assemble! The best-selling LEGO MARVEL videogame franchise returns with a new action-packed, Super Hero adventure. Join the LEGO MARVEL's Avengers team and experience a videogame featuring characters and storylines from the critically-acclaimed films and more. Play as the most powerful Super Heroes in their quest to save the world.

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.