Asus P5SD2-VM mother board Driver package

Hi Member

Today I installed new operating system "Windows 8 " in my Computer which specification has 3.20 Ghz processor, 2Gb Ram and 160Gb hard disk. Now the problem i am facing that we cant hear audio from my computer, So kindly tell me what is the solution of this problem? if you are using some tip please give me. Please tell me where I can download Audio, Video and LAN driver for my Asus mother board model P5Sd2-Vm.

Please share helping information with me.