To purchase a full license go to this link:
http://www.2ndrock.com/purchase/purchase.html
Once payment is authorized your license key will be sent to the email address specified.
User License- this is license to a single named user.
Server License- Installed on a server for unlimited users running the application on the server.
When you have your license key press the options tab, then press the license icon
press the Manage License button
Enter the license key and press Install button