The authentication code is used to protect the site from unauthorized directory access. You must enter the valid authentication code to use robots.wizardTM. For full protection, use the "Exit" button to clear the session data, and allow the browser to close. Sessions expire after 15 minutes of inactivity.
You can just press enter, this is a demo version and the password is demo - it's already entered.
The initial authentication code is delivered in the purchase email. You may change it as described in the documentation.