Here is what the trainer can do:
Trainer for Heroes Of Might And Magic V Trainer 1.0v
Run the self-extracting archive.
Launch the trainer.
Launch the game without closing the trainer.
Press the keys specified in the trainer during gameplay.
Right-clicking opens a menu where you can select the cheat you need from the options provided.
You can also use the hotkeys directly in-game:
F1 - All resources infinite
F2 - Infinite mana points
F3 - Infinite movement
F9 - Construction
F11 - Level up to 40
F12 - All unit groups 9999
B - All unit groups Black Knight
N - Reset all to default
Use additional options by pressing the + key and then the key below:
+-> NUMPAD1 = Archangel
+-> NUMPAD2 = Archdevil
+-> NUMPAD3 = Spectral Dragon
+-> NUMPAD4 = Emerald Dragon
+-> NUMPAD5 = Titan
+-> NUMPAD6 = Black Dragon
=-> NUMPAD7 = Phoenix
