October 22, 2009 - Update Wargaming.net has released free Downloadable Content for Order of War. The DLC will download automatically the next time you launch the game. This DLC contains all the formerly exclusive pre-order items which include: Heavy Bomber Squadrons - Addition of German Arado and Allied B-24 Marauder heavy bomber units...
Open the Steam client, login and locate the Games tab on the top menu. Click this and then select “Activate a Product on Steam…”
Enter your unique code that's displayed on the 'Orders' page of CDKeys.com and follow the prompts to activate.
Your game is now viewable in the “Library” tab and is available to download/install when you’re ready. You can find additional support for the Steam client here: https://help.steampowered.com/en/wizard/HelpWithSteam