You can also download the engine manually and put it in the desired folder:
https://github.com/CheshireCaat/browser-with-fingerprints/issues/36#issuecomment-2417328492
@ensdmrlq said in How can I change my FINGERPRINT API KEY?:
How can I change my FINGERPRINT API KEY?
I believe that we don't have any way to do it. If you believe that you need to change it because someone stole it, you can do the following: