If you're using the xbox one S you would need an adapter for the Kinect.
If you have the OG xbox you can plug it straight in
adapter info:
https://support.xbox.com/en-CA/xbox-...c7a3daa46d8c51
amazon link:
https://www.amazon.ca/Xbox-Kinect-Ad.../dp/B01GVE4YB4
looks like because it got discontinued it's stupidly expensive now, 3rd party options are available:
https://www.amazon.ca/dp/B07HBSVXVW/...9-3b664630e258