Warhammer 40,000: Dawn of War is a revolutionary science fiction real-time strategy (RTS) game set in the violent, post-apocalyptic universe of the 41st Millennium. Utilizing the exceptional game design skills of Relic Entertainment, Dawn of War provides an immersive entertainment experience of epic proportions. Command hardened troops, deadly vehicles and high-tech weaponry with one goal in mind, the complete extermination of the opposition. Whether you lead Humanity's finest – the Space Marines, – the masters of mechanized warfare and billions-strong human army of the Imperial Guard, the diabolic and villainous traitors of man – the Chaos Space Marines, the brutal and savage beasts – the Orks, or the psychic and technologically advanced alien warriors – the Eldar, you control the action and the fate of your race!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.