My kincet don't fit in my new Xbox one S
How do I claim my free adapter on my Xbox One
Asked: 17:39 01/10/2016
you need to have registered the old XBOX, the kinect and the new Xbox (on your devices in your Microsoft account).
Note the serial numbers of all above, and call Microsoft Support.
They will send you the Kinect adapter for PC (it will take a week to arrive) for free.