You have been selected for active service in the Commandos Corps, and must now mobilise in a series of 8 new dangerous missions. You may come with experience of action 'Behind Enemy Lines' or perhaps you are just a rookie – whatever you are, you will be given the opportunity to push your daring and tactical ability to the limit.As the leader of a small elite unit operating deep within enemy territory, you will experience new challenges and goals with these new missions. Plus new vehicles, buildings, weapons and 2 levels of difficulty will satisfy both Commandos veterans and new recruits.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.