MyBB Community Forums

I would like to let users automaticaly sign up, and not require moderator approval, but force a captcha when they sign up. (Like they do here) How do I do so?

Forum: http://Maracommunity.cf

In your configuration settings

Registration Method
Please select the method of registration to use when users register.

Choose INSTANT ACTIVATION.

and

Display a hidden CAPTCHA
Do you want to display a hidden CAPTCHA field when a user registers? This may prevent spambots from registering on your forum.

Select YES.