Script Hook V Script Hook V is the main program you'll be using to run Grand Theft Auto 5 mods. It lets you install and run .ASI mods — the most common type — and also includes a sample mod ...

Script Hook V (or ScriptHookV) is one of the most essential tools for modding GTA 5, even the Enhanced version.

Those who have installed mods for GTA 5 may have used a tool named Script Hook V for the same at some point.