INSTALLATION (important!!!)
Download the installer from the link below. Run the EU.exe program, and in the window that appears, specify the path to the game folder, for example, it might be c:\Program Files\Nival Interactive\Heroes of Might and Magic V - Tribes of the East. Click Extract, launch the game using the exe file [path to the game folder]\bin\H5_Game.NCF.exe. In the main menu of the game, select Single Player -> Modification -> Load, select "Empire of the Unicorn," and then the campaign will appear in the list.