CAPTCHA 4WP
Add spam protection to block spam bots and allow real humans to easily interact with your WordPress website by adding CAPTCHA to any form, including comments forms, login forms, registration forms and checkout pages.
Get started within just minutes with CAPTCHA 4WP, an easy to use WordPress plugin that helps you protect your website from any type of spam, fake accounts, and automated spam bot attacks.
Method to activate pro version​1. Select “Activate Free Version”
2. Select Skip
3. Done, Pro activated.