Activating this trainer:

Press F1 at main menu.

Listen for 'Trainer Activated'.

Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options:

NumPad1: Invincible
NumPad2: Unlimited Sprint
NumPad3: Set Time To Day
NumPad4: Set Time To Night
NumPad5: Set Time To Aurora
NumPad6: Set Weather To Clear
NumPad7: Spawn Item (from +350 Items)
NumPad8: Unlimited Weight
NumPad9: Unlock All Feats
NumPad0: All Skills Mastered
NumPad/: Cure Affliction
NumPad*: Fly Mode
NumPad-: Reset Cold
NumPad+: Reset Condition
NumPad.: Reset Hunger
Page UP: Reset Fatigue
Page Down: Reset Thirst
Insert: Infinite Durability
Home: Reveal Map
End: Unlock All Achievements
CTRL+NumPad1: Super Speed
CTRL+NumPad2: Free Crafting
CTRL+NumPad3: Super Accuracy

Notes:

Set Weather To Clear: It may takes up to a minute for the weather to change.

Fly Mode: Press SPACE key to exit fly mode.

Spawn Item: Press hotkey to spawn an item. A messagebox opens (so make sure you alt tab to the trainer) where you can select the item to spawn via drop down list. A second messagebox asks for the quantity.

Unlimited Weight: While active you can carry unlimited items. This may reset at some points so just re-enable it in such a case.

Unlock All Feats: Press hotkey and all feats are unlocked.

Reveal Map: Open your map first then press hotkey and the map is revealed. If the map remains black you haven't used a charcoal before. You can spawn one with the Spawn Item cheat and equip & use it.

Unlock All Achievements: Press hotkey and you get all steam achievements for this game.

Cure Affliction: Press hotkey and a messagebox opens (so make sure you alt tab to the trainer). You can cure any afflictions but selected them in the messagebox list and press the 'Cure selected affliction' button. Please note that you should only cure the afflictions you really have otherwise it may happen that you get overlays ingame which will not disappear.

Free Crafting: While active you can craft any blueprint everywhere for free.

Super Accuracy: While active your aim is steady with bow or gun.