How to install Script Hook V for GTA 5 Download Script Hook V and open the .zip folder. Copy ScriptHookV.dll to the parent GTAV folder.

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

To install the contents of this downloaded folder into Grand Theft Auto 5 story mode, you must first install and set up Script Hook V and OpenIV.