You receive a unique registration key from us by email. Save the attached file on you hard disk and double click on it. This will display a warning message about adding the information into the registry of the windows. Click 'Yes' to apply.
You now have a full license for CodeSells Thesaurus Builder. In the about box, you will see: "Registered to: <<Your Name/Organization>>.
NB: Please keep your registration key filed at a safe place.