Before configuring reCAPTCHA, you must set up a reCAPTCHA account.
To set up an account, perform the following steps:
Log in to the Google reCAPTCHA website.
Click Get reCAPTCHA > Sign up Now.
Specify a label and the registered domains.
Select Invisible reCAPTCHA as the type of reCAPTCHA.
Click Register.
Make a note of Site Key and Secret Key for future use.
Continue with Configuring reCAPTCHA.