Brief: this plugin is a means to protect your website from spam during registration.
1- Login to the control panel
2- from the side list, select (settings)> then (plugins settings) as the picture below:
3- the settings list will show up, choose (reCaptcha settings) as the picture below:
The below page appears:
If you press (reCaptcha general settings), the below template show up:
-Enable reCaptcha: to activate or deactivate the plugin.
-reCaptcha Public Key: enter the public key of reCaptcha.
-reCaptcha Private Key: enter the private key of reCaptcha.
-Theme: choose the reCaptcha theme.
-Language: choose the reCaptcha language.
If you press (No Spam Question Settings), the below template show up:
-Enable No Spam Question: activate or deactivate the verification questions to be added.
-Number of questions on Questions List: set the number of questions.
The reCaptcha is shown as below, after adjusting the above settings: