You can mod GTA 5 in two ways: With .ASI mods and with .DLL mods. Before installing any GTA 5 mods, you'll also need to download some extra add-ons like Script Hook V ...

This archive contains the complete C++/CLI sourcecode of the GTAIV .Net Script Hook. The compiled ASI plugin allows you to run in-game GTAIV scripts written in any .Net language. The goal of this ...