The Windows Driver Kit (WDK) Version 7.1.0 is an update to the WDK 7.0.0 release and contains the tools, code samples, documentation, compilers, headers and libraries with which software developers create drivers for Windows 7, Windows Vista, Windows XP, Windows Server 2008 R2, Windows Server 2008, and Windows Server 2003. This development kit does not contain device drivers for your personal computer. If you are looking for drivers for your personal computer, go to Microsoft Update for downloads, or visit Windows Hardware Help for more information to find device drivers and hardware. A working knowledge of C programming is necessary to use this kit to develop Windows drivers. Read more: MS Download