Garrys Mod + Bullet Time need help !

Hi everyone, yeah im sort of new to garrys mod. I know where to drop add-ons etc. But I just downloaded the Bullet Time thing off of the garrysmod.org well I got 2 files called “BulletTime” & “PhysicalBullet” something like that. Anyways simple question, I dont know where to put them in my garrys mod folder, so please if theres guidance HELP ME!

Thank you (:

[editline]02:04AM[/editline]

I meant to have the icon as “HELP” >.<