If you wish to reset your license it can be done inside the application by clicking on the "?" and then "Deactivate License".
We also have a licensing support bot on our website.
Click on the "Licensing Support" yellow icon in the lower right corner of our website. You will be able to reset your license using this automated tool.
If you are still unable to retrieve it. Please submit a support ticket or get support via our discord server lic.