How to Setting Up Recaptcha on EasySocial 1.4.x
To setting up Recaptcha on EasySocial is pretty simple, however, you will need to make sure that:
If you're using EasySocial 1.3.x, click here to continue.
You have setting up Plugin - Captcha-ReCaptcha.
Joomla > Components > Easysocial > Applications > Custom Fields > Recaptcha and enter your Site Key in Public Key and Secret Key in Private Key.
Joomla > Components > Easysocial > Profile Types > (select profile) > Custom Fields > Recaptcha and set Appear in Mini Registration to Yes.
That's it! ReCaptcha v2 should appear in the registration form.