The default is C:Program Files (x86)SteamsteamappscommonKingdomComeDeliveranceGo to the 'Mods' folder, if it doesn't exist create it. The error message should be:' CGameContext::StartGame User 'Name' has no active profile!'Go to C:UsersUSERNAMESaved Gameskingdomcome and take a backup of the 'profiles. There are two version of this file One where you still need at least one schnapps in your inventory and one where you don't.
Extract the contents of the zip file you're using into your Mods folder That's it! It should now look like this:UsageWhen saving the game, ensure you use the 'Escape' key menu and save the game that way.