Activating this trainer:
Press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.
NumPad1: Change Money By 50000
NumPad2: No Daily Limit
NumPad3: Instant Build
NumPad4: Change Time By 4
NumPad5: Fast Unlock
Fast Unlock: While active mouse over the unlock screen button at the top left until the popup appears with the unlock status. All unlocks are now close to be finished.
Unlock more trainer options including updates from here - Prison Architect Trainer