Adding a new site to a Google account to enable reCAPTCHA

1. Navigate to: https://www.google.com/recaptcha/intro/v3.html
2. Click on Admin Console.
3. Click the + to Register a New Site.
4. Enter a Label.
5. Select reCAPTCHA v2.
6. Select the “I’m not a robot” Checkbox option.
7. In the Domains section, add your new Site URL WITHOUT the http:// portion: 

Example: myorg-edition.na00.force.com

Note: Do not include anything after the Base URL, such as /portal or /app

8. Select Save. Add additional Owners by entering the appropriate Email address. 
9. Click Accept the reCAPTCHA Terms of Service box. 
10. Click Submit.