A little bit more info please, which DAC do you use, windows version etc.?
For me I choose as windows playback device - JRiver media center (with this selection, you have to run MC and other windows programs play then via MC using the asio driver of your choice)
and as playback device in JRiver MC I choose the asio driver of my DAC which is ASIO RME on the htpc and on MC Server ASIO Avid MBox Pro 3.
Mostly ASIO is the fastest and the cleanest in sound, if you got a descent DAC.