Follow the next steps to protect your Contact Form installed on WordPress website with super security Captcha plugin:
- Install Captcha and Contact Form plugins. Activate both plugins.
- Make sure you marked Captcha checkbox on Contact Form settings page. No need to add any code.
- Update Contact Form and Captcha plugins to the latest versions.
- If you don't see the update link clear your browser cache and reload the page several times.
Submit a support request if the problem still remains.