A Captcha is a security code (sequence of characters) to be copied by visitors in order to validate user-generated information, such as a form. This prevents spam and verifies that a human and not a robot is filling out the form.
To enable the Captcha, access the Settings on the top of the menu bar and click on General.
- Click on it to enable the 'Yes' button;
- Click on 'Save' and Close.