In this video, I'll show you how to install your TBS Crossfire receiver to your Betaflight Flight Controller. I'll show you how to set up your OpenTX transmitter (Taranis, QX7, X10, etc...). And how to set up Betaflight to use Crossfire.
If you want to know more about what Crossfire is, why it's so good, and what Crossfire equipment you might want to buy, check out this video: https://www.youtube.com/watch?v=DWewKaYPwzE