If you're looking to move your existing license from one machine to another follow the link https://www.groffautomation.com/customer/ and enter your email in the provided Field. Upon completing the captcha you'll be directed to "Your License Information" at the bottom of the screen where you can click the blue "RESET LICENSE" button. Now just follow the onscreen instructions in the provided window and you're done!
All the best :)
This would be a great feature except for the 30 day wait per reset. We have been having some issues and were going to try re-installing, but have to wait to reset the license install count. And we have had no response to any of our ticket questions (two separate tickets).