If you have a sensor development kit, and either don’t have the required software/firmware, or want to update your board’s firmware (to enter Windows 7 sensor demo mode by default, or to experiment with Adaptive Brightness in Windows 7) the following download will be of interest:

See “Sensor Development Kit for Windows 7” on the following page: Windows Sensors and Location MSDN Code Gallery Downloads

 

If you want to update your firmware, follow the instructions in the root “readme.txt” file.