The law of the Templar is coming to the desert! The third DLC for Stronghold Crusader 2, The Templar and The Duke adds two characters and a new Crusader Trail. Battle across seven missions, claim 10 achievements, customize your coat of arms with five designs and lay siege to new castle types.
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