Drag and drop the downloaded config.cfg and userconfig.cfg into the cstrike folder.
Launch the game, open the console (tilde key ~ ), and type exec config.cfg or exec userconfig.cfg to ensure the settings are active. Key Console Commands for No Recoil/Spread cs 16 no recoil no spread cfg download version link
Generally found in C:\Games\Counter-Strike 1.6\cstrike . Drag and drop the downloaded config
C:\Program Files (x86)\Steam\steamapps\common\Half-Life\cstrike cs 16 no recoil no spread cfg download version link
Many players use the original configs from legends like Markeloff or f0rest as a base. While they aren't "hacks," they use optimized cl_rate and fps_max settings to make shooting feel smoother.