Setting key assignments in Prepar3D v4 (P3Dv4) allows you to customize the keyboard shortcuts for various functions and controls in the flight simulator. Here's a step-by-step guide on how to set key assignments in P3Dv4: Launch Prepar3D v4 : Start P3Dv4 by double-clicking its icon or launching it from your preferred method. Open the Options Menu : Once the simulator is running and you're in a flight or at the main menu, press the "ALT" key on your keyboard. This will bring up the top menu bar. Access the Controls Menu : In the top menu bar, click on "Options," and from the dropdown menu, select "Controls." Select Your Control Device : In the "Controls" menu, you'll see a list of control devices on the left side. Choose the control device for which you want to set key assignments. This could be your keyboard, joystick, or other input device. Assign or Edit a Key Command : In the center of the "Controls" menu, you'll se...