Two things make a support ticket resolve in one reply instead of four:
- Name the device. "Fire TV Stick 4K Max with TiviMate" tells us more than "my TV".
- Send the error verbatim, or a photo of the screen. Paraphrased error messages send us down the wrong path.
If you have not received credentials after a purchase, check the spam folder first — that is the cause roughly nine times in ten.