Baldur's Gate 2 - Games Trainer
Start the game and "Alt + Tab" out of the game, and start the trainer.
Allocate a keyboard key to the trainer ex. Home and "Alt + Tab" into the game.
During the character creation fase, you just press the allocated key to get max stat points and thief skill points.
NOTE: Thief skill points need to be 0 for you to proced, so press to "Thief skill to 0" key to reset the points to zero.