Where to put sound mod?

Ok. i found a link to teshin quinns zombie sound mod, but i dont know where to place it :confused: i put it in C:\Program Files\Steam\steamapps"USER-NAME HERE"\half-life 2\hl2\sound and in C:\Program Files\Steam\steamapps"USER-NAME HERE"\half-life 2\hl2\media as well as in
C:\Program Files\Steam\steamapps"USER-NAME HERE"\half-life 2\hl2\sound
pc (which doesnt exsist) so what could it be? does anyone know? (and yes i did put my username in the “username here” spot)

Ok, while standing up, go from where your ankles are and go up about 3 feet, maybe more, maybe less. There should be a hole around there somewhere. just shove it up in there nice and tight then light the fuse.

ok so now that we have the dynamite out of the way, I have no clue what you tried to say where so please, clean it up and post the folder names for the sound mod as well and I will gladly help you. just keep the dynamite away from me now.

It is an ADDON.
Put it in ADDONS.