To stay safe and keep your projects secure, it is important to know that FL Studio does not use "license files" for modern versions like FL Studio 20 [1, 2].
He’d already restarted the software seven times this week. His laptop fans whined in protest. His roommate, Sam, had stopped asking if he was “ever going to pay for anything.”
If you value your original beats, samples, and personal data, do not run unknown license files.
Obtaining a License File