You must locate three keys that could be located anywhere in the building because the main door is locked. There are numerous adversaries nearby, so before you can protect yourself, you must locate a weapon with ammunition. then start looking for keys.
WASD or arrow keys to walk
Left mouse button to attack/shoot
Right mouse button to aim
F to interact with objects
Go left to run
Left Ctrl to bow
Space bar to jump
Have fun and good luck!
