Here you find the mandantory info dialog about GuideLiner.
At a glance you can see which version of the program you are using and to whom it is registered.
With the two links you can reach the website of the distributor and write an e-mail to the distributor from here.
Also, in unregistered versions, you will find the button
Register
here. Click on it to open the registry dialog of the
program where you can enter the purchased registry code.