if they connect the sensor to any Windows 8 machine, runtime and drivers download automatically through Windows Update. For offline, you should be redistributing the runtime with your application as a best practice. The redist folder,
from the SDK, has the installer: KinectRuntime-v2.0_1409-Setup.exe
If you need to provide a link, you runtime can also be downloaded from the website:
http://www.microsoft.com/en-us/download/details.aspx?id=44559
Carmine Sirignano - MSFT