The first thing to do is to enter your license details. After that, settings specific to the license type will show in the interface.
Use the Gunthy order number as license key. You can look up your order number in the emails received during your order.
A valid order number normally looks like this: 1638239714905-1DWPTptMhAnp7Txy8X34Sc625a23Z1X
Use your registered Gunthy wallet address as license key. This is the address you've received Gunthy tokens on.