You must wait for Alexander Blade to update the tool. This usually takes anywhere from a few hours to a few days. Once updated, you simply replace the old ScriptHookV.dll with the new one.
Copy ScriptHookV.dll , dinput8.dll (the ASI loader), and NativeTrainer.asi (optional) into your main GTA V folder. script hook v 101180
Ensure you are getting the file from a reputable source like AB-Software or GTA5-Mods . You must wait for Alexander Blade to update the tool
It doesn't modify the original game files. It simply "hooks" into the process while the game is running. dinput8.dll (the ASI loader)