Hearts of Iron IV: Hearts of Ice and Fire - a Game of Thrones mod. Download this Classical Music mod for Hearts of Iron IV and lead your nation to victory and prosperity in the Second World War! Put your enemies on their back!.
mod file is the file that tells the HOI4 launcher where your mod is located, and as a result it will show up in the launcher's mod list In windows, the mod folder files are saved in : Documents\\Paradox Interactive\\Hearts of Iron IV\\mod (This folder might not exist yet if you haven't downloaded any.