Don`t be so demanding, and rude man !.
Just look at the chip on the sound card ES1921S
Then do a google search for the sound card driver.
ES1921S sound driver.
There you go you learned something.
Looking at the chip number gets you a sound card driver.
ooh and a link to get the driver for windows XP.
http://h20564.www2.hp.com/hpsc/swd/public/detail?swItemId=PSG_I13690_35021
If you want it for a diffirent version of windows say 7,8, or windows 10 just add windows 7,8, or 10 to the search meta request.