This is solution for Original Kinect for Windows. If you are looking for solution for Kinect V2 you need to go to my recent post about that at KinectCamV2.
To install get
New.KinectCam ver. 1.4 Source Code and Binaries (11599 downloads) and enjoy! or New.KinectCam ver. 1.2 (50945 downloads) or New.KinectCam ver. 1.2 HD (48485 downloads), unpack, run install.bat as Administrator. Version 1.2 has the freeze bug fixed, and the new version supports HD mode in 1280×960 resolution.
New.KinectCam ver. 1.1 (36871 downloads), unpack, run install.bat as Administrator. Version 1.1 has an Angle option in settings, so you can change the Angle of the Kinect camera, which is automatically saved. To change the Angle setting, open Skype Tools->Options->Video Camera and go to Webcam Settings for Kinect Camera. On the Settings window, change the position of Angle control, which will be automatically saved for the next usage of the Kinect Camera. It also works with Skype for Business 2015. UPDATE: Please edit both install.bat and uninstall.bat and change from .NET 2.0 directory into .NET 4.0 directory because Skype was updated to .NET 4.0 some time ago. Enjoy!
New.KinectCam (47367 downloads), unpack, run install.bat as Administrator. You need Kinect for PC device and Kinect Runtime 1.6 or Kinect SDK 1.6. or you can use Kinect Runtime 1.7 or Kinect SDK 1.7 or Kinect SDK 1.8 as well :). It is pure C#/.NET 2.0 implementation!