HoMM3 HD is a mod (add-on) for the game Heroes of Might and Magic 3.

This was a suggestion to activate a button after pressing F5, to find a use for it. Why are the buttons mentioned above even needed there?

You have some kind of idea... Just to have a button occupied with something. Changes need to be made differently; first, come up with something that is truly necessary, and then think about which button to assign it to.

In my opinion, it would be great to add highlighting the turn of neutral creatures in battle, like in Heroes 4.