Unlike modern games with one-click installers, San Andreas requires a few "foundation" mods to handle these damage scripts. You can find these on community hubs like GTAInside or GTAGarage .
Several factors contribute to GTA: San Andreas standing the test of time: gta san andreas dmg better
Install core modding tools like CLEO to allow the damage scripts to run. Unlike modern games with one-click installers, San Andreas