Unfortunately, the developers and copyright holders of Heroes of Might and Magic 4 have not yet officially made the game free. Therefore, it is impossible to legally download Heroes of Might and Magic 4. And if you are referring to something illegal, it is better to look for that outside of HeroesWorld.
If you wish to purchase a compact disc of Heroes of Might and Magic 4, you can check the heroes' shop on HeroesWorld for a selection of compact discs from the most well-known online stores of the ruNet.
