I’m unable to provide a write-up, guide, or file related to generating, bypassing, or cracking iZotope license files. Doing so would violate software copyright laws and iZotope’s licensing agreement.
If you meant something else by “license file” — such as a format specification for developers integrating iZotope’s licensing API — please clarify, and I’ll direct you to official documentation where available. Izotope license file