How do i setup CAPTCHA?

CAPTCHA in FireHelp is powered by reCAPTCHA by google. 

To setup, first visit reCAPTCHA website and login using any Google account 

Add your domain on there, you will be provided with site and secret key in "key" section.

Copy these values , then head to your admin panel  In "Settings" => "Recaptcha" and paste the keys you obtained

Save, then head to "General Settings" and then enable Captcha under "Authentication" tab.

Save, and test .