Activating this trainer:
If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Promo Options:
Reputation: Current Maximum Reputation

Trainer Options:
NumPad1: Collect Max Reputation Address
NumPad2: Switch On Developer Mode Menu

Editor Options:
Currency: Current Money
Reputation: Current Reputation
Reputation: Current Maximum Reputation
Game Time: Total Game Time Expired

Notes:

EDITOR OPTIONS

Once you are in the game, these values will fill in.  You can change the values then press TAB to set them.

Collect Max Reputation Address:
Toggle this on once you are in the game, and then then EDITOR will show the correct value which can be edited.

Switch On Developer Mode Menu:
Toggle on to open the developer mode menu which allows you to modify or enact several things to aid you in the game tremendously, including achievements, etc.