Confident CAPTCHA™ is a clickable, picture CAPTCHA that stops spam and malicious bots, while remaining very easy for people to solve.
Register for an account at http://www.confidenttechnologies.com/content/get-confident-captcha-today to get your API Credentials
Download and activate the Confident CAPTCHA WordPress plugin from this site
Go to the Confident CAPTCHA settings (under "Settings"), make sure you have the API credentials you obtained from Confident Technologies.
Check the appropriate boxes to dictate where you want Confident CAPTCHA to appear on your page. Save your changes.
Congratulations! Confident CAPTCHA is now installed on your WordPress site!
Click here to see a video showing how to install Confident CAPTCHA on WordPress in only 5 minutes!