In order to use Windows Driver Kit, you need to perform the following operations:
Open your web browser and navigate to http://msdn.microsoft.com/en-us/library/windows/hardware/hh852365.aspx. Since we are using Visual Studio 2013, you'll need to download WDK 8.1 or use the following address: http://go.microsoft.com/fwlink/p/?LinkId=393659. The following is a screenshot of the WDK download page:
Select Next and choose whether you want to participate in Customer Experience Improvement Program, and then accept License Agreement to start the installation. You'll see a window as shown in the following screenshot: