The W/Up arrow key is for moving forwards The S/Down arrow key is for moving backward A and D are for strafing(moving from side to side without turning) left and right arrow keys are for turning around you could also use the mouse to turn, and you can lock the cursor in place by using Turbowarp here is a link. Tap the link 3 times in the Credits, if it is all blue then hold ctrl or cmd, then press the letter C while holding the key ctrl or cmd, and next make a new tab click the search bar, and hold ctrl or cmd then press the letter V key while holding ctrl or cmd. Then enter it. When it starts press on the screen to lock the cursor. you can also look up and down. When you're done or you died press ESC to exit. M to open the map T to open the settings note it will not pause the game
