Heroes V savegame - with the help of this save you will get all campaigns and levels unlocked.
Heroes V trainer - press the buttons from the list below to get the corresponding result:
F1 - Infinite All Resources
F2 - Infinite Magic Points
F3 - Infinite Movement Points
F9 - Infinite Construction
F11 - Free 40 Levels Up
F12 - All Troops 9999 Units
B - All Troops Black Dragron
N - Reset