You will need to buy the FLIRC from their website https://flirc.tv/. Once you have the FLIRC, do this:
- Download the FLIRC GUI - https://flirc.tv/downloads
- Plug the FLIRC dongle into your computer
- Select "load configuration" and choose the profile you downloaded below
- After you load the profile you can take the dongle out and plug it into your device
Add the FLIRC code set via Streaming Player > Amazon > Amazon Fire TV