Last year Microsoft has announced Surfacetablets which runs on brand new Windows 8 OS, It was made available last month to public. It runs full version of Windows 8 so if you had purchased it then you might required some of its driver in case you are reinstalling Windows 8 on it or going to repair it.
Folks over CrashStrl managed to pull all of the drivers for the Microsoft Surface Pro and made available for download. you can find drivers for audio, Mavell Bluetooth, Chipset, Intel USB 3.0, Intel RST, Microsoft LifeCam, Surface Accessory Device, Video Marvell Avastar 350N Wireless controller, and a separate download for the Intel HD Graphics 4000. You can also download complete drivers in the form of ZIP.