If you are looking to use FMOD for a professional commercial project, you must register your project on the FMOD Licensing page to receive a valid license for distribution.
Completely free for educational or personal hobbyist projects not intended for commercial gain. How to "Unlock" Commercial Use Register: Create an account on the FMOD Licensing Page . fmod pro key
If you do not qualify for the Indie License or need advanced support: Contact Sales : Reach out to sales@fmod.com to discuss custom commercial terms. Platform Access If you are looking to use FMOD for