How do i use captcha on registration page
i see spam registration how do i stop them by using CAPTCHA ?
Please read this support topic:
I had the same issue and solved with WP-SpamShield, a free plugin that seems to be working great.
About registration you can use Captcha or SI Captcha Anti-Spam plugin so you can avoid bots. Also you can add optionally email confirmation so
only people with authenticated emails will be registered following the steps below:
From wordpress admin page ->Click Forums->Settings->choose Features and find "Enable User Registration email confirmation" , Click Yes