Project Aftermath is the PAX10 winning Arcade RTS where you command up to four squads of soldiers in exciting battles in a retro-futuristic world. Equip your squads to suit your playing style, researching new items using the spoils of war; choosing from over 100 different weapons, armour, power-up augmentations and spell-like special attacks.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.