Using this decoder is easy. First, connect it to a power source using the included power supply. Then, connect it to your display device. When you start it up, enter the default password 'password' if prompted. Remember to keep the decoder in a well - ventilated area to prevent overheating. If you need to reinstall Windows again in the future, make sure you have the necessary installation media. Periodically check for software updates to keep the decoder running smoothly.