If you purchased either a physical retail or a direct download version of Civilization Gods & Kings and are getting an error message on Steam stating the code is invalid or already used, please follow the steps below:
- Reboot Steam
- Once Steam is reopened, on the top bar click on Games > Activate a Product on Steam.
- Click "NEXT" at the bottom of the new window.
- Click "I AGREE" at the bottom of the Steam Subscriber Agreement window.
- Enter the Product Code is in field. As the code is 15 digits, the code can be enter in either of the following formats:
- XXXXX-XXXXX-XXXXX or XXXXXXXXXXXXXXX
- Once the code has been entered, hit the "NEXT" button.
- If the code entry was successful, follow the remaining windows to proceed with downloading the game.
If the code entry was unsuccessful, we would like for you to open a ticket with Steam Support (link to their support site provided below). Steam Support will be able to take a closer look at your Product Code and provide steps on what can be done next.