ASI Loader for GTA 5 — allows you to run asi scripts for work mods in GTA 5. Note, if you have already installed Script Hook V, in this case to put the ASI Loader you will not need, as asi script is already included in the script hook.
How to install ASI Loader for GTA 5?
Copy file dinput8.dll in the root folder of GTA 5. If the file already exists just replace it.