- Download package
- Upload files in upload/ to your server
- Install the addon-lukegbAreYouHuman.xml file via xenForo's addon install system
- Go to Home->Options->[LukeGB] Are You a Human?
- Configure your publisher and scoring keys
- Go to Home->Options->User Registration
- Select "Are You a Human" under "CAPTCHA"
- You're done! Check to make sure it works.