So ...

Upon activation, go to Settings => NoCAPTCHA reCAPTCHA to access the plugin configuration page. In order to use NoCAPTCHA reCAPTCHA, you'll have to grab your free API keys. Simply click the provided link to access the reCAPTCHA API website:

You'll have to log in using your Google account and everything is very straightforward. You'll have to enter an account name, your domain name and an email address. Finally, click the "Register"button, to access your newly registered API keys:

Insert the API keys into your plugins settings page and click the "Save All Changes" button.

Then scroll down a bit to customize the display settings, the theme. the language and the error messge. The default settings will work on most sites, but of course, you can change them according to your needs ...

Now let's see the magic ...