If you’re new to the game of Rainbow Six Siege, or if you’ve been playing for a while and want to improve your skills, this guide will teach you how to use the keyboard and mouse on PS4. First, let’s start with the keyboard. To move around the map, use the arrow keys on your keyboard. To shoot a weapon, press the R1 button. To reload your weapon, press R2. To enter a room or hallway, press the square button on your keyboard. To exit a room or hallway, press X. You can also use the mouse to move around the map and shoot weapons. First, click on where you want to go with your mouse cursor. Then drag your cursor to where you want to shoot and release your mouse button. ..