1. Go to the game folder
2. Open the user.ini file
3. Find the text strind "Dev Console = 0" and replace 0 with 1
4. Close the user.ini and save changes
5. Start the game
6. Press the tilde ~ key

ANTIALIASING - Set the anti-aliasing sample amount
BLOOM - Set the bloom setting
CHEATS - Toggle the cheats system
CLEAR - Clear the console log of all text
CROSSHAIR - Set whether the crosshair is shown
DIFFICULTY - Display or set the game difficulty
FOG - Set the fog rendering state
FOV - Set the field-of-view value
RAMERATE - Set the Framerate cap value
GHOST - Allows the player to noclip and not be targetable by enemies
GIVE – Gives values and items to the player
GOD - Set the invincibility state on Player
HELP - Display list of available commands or details about a Specific command
HUD – Enable and disable HUD elements
INFINITE - Set infinite quantities or values
LEVEL - Load a level by name
LIFE - Show or set the player life amount
LightFlares - Set the light Flare setting
LIST - List entities and values From the game asset database
LOADGAME - Manually loads the input save slot
NOCLIP - Allows the player to boundlessly Fly around the map
NOTARGET - Set the player as untargetable
PLACE - Allows the player to place entities such as developer markers
QUIT - Quit the current game
RESTART - Restart the current level
SAVEGAME - Manually saves the current game to input save slot
SPAWN - Spawn entities into the game world
TEXTUREFILTERING - Set the texture Filtering setting
THIEF - Removes Footstep noises and allows player to open any door without needing keys
TIMESCALE - Set the time scale value
TOOLTIPS - Enable and disable text tooltips
VERSION - Display the current game version