You can find your Steam keys in your Days of Wonder account page, in the "Download Center" section.
- If you are not logged in, use the login box in the top right corner of the
Web site. Or use the Login page.
- In the same area, click on your name after the Welcome message: this will
take you to your account page.
- Click on the big "Steam Keys" button:
- Follow the instructions to activate your keys.