Trainer options
F1 - Infinite Health
F2 - No Reload
F3 - Infinite Ammo / Arrows / Grenades
F4 - Infinite Skill Points
F5 - Infinite Resources

Notice:
Resources cheat Include all resources, Open Resources window to reset resources to 999, The resources which are more than 1 will be effected by the cheat so collect at least 1 resource
Skill Points cheat, You should go to a camp to get skill points from the cheat
Should backup game save just in case.