Launch CS 1.6, open the console (default key: ~ ), and type "exec pain.cfg" (assuming the file name is pain.cfg) to execute the configuration.
C:\Program Files (x86)\Steam\steamapps\common\Half-Life\cstrike
Iris swallowed. Configs were powerful. In CS 1.6, a tiny alias could be the difference between a clean peek and a wasted life. If someone could take those files and stitch them into something that harvests memory, the implications were terrifying and magnetic.
violence_ablood 0 : Some configs disable blood and "gibs" to reduce visual clutter and boost FPS during heavy firefights. How to Install a Custom CFG