Only one code may be activated on each account.

In order to activate Stronghold Kingdoms code:

1. In the game window, click on "My account" button in the top right corner.

2. Then click on "Redeem offer Code"

3. Your browser will open. (Login may be required.)

4. At the bottom of the page, there will be a box next to the "Redeem Code" line.

5. Enter your code there.

6. Then click on "Redeem Offer Code"