Thief (2014): Trainer (+10) [1.0: 64 Bit] {Aleksander D}

NumPad 1 ~ Immortality
NumPad 2 ~ Infinite Arrows
NumPad 3 ~ Infinite Gold
NumPad 4 ~ Invisibility
NumPad 5 ~ Infinite Eye
NumPad 6 ~ One Hit Kills

Thief (2014): Trainer (+10) [1.0: 64 Bit] {Aleksander D} Free Download

NumPad 7 ~ Infinite First Aid Kits
NumPad 8 ~ Slow Down Time
NumPad 9 ~ Speed ​​Up Time
NumPad 0 ~ Activate Teleport
NumPad / ~ Save Position
NumPad * ~ Teleport
Numpad + ~ Undo Teleportation

Start the trainer first, then the game (Or vice versa).
During the game, press the keys indicated in the trainer.