The driver is usually installed automatically when the board is connected to the computer. When the Arduino IDE can recognize the board port and upload the program, it proves that the installation has been completed automatically, so there is no need to carry out the operation of the tutorial in this section. If you can't recognize the board port and upload the program, please refer to the tutorial to install the driver manually. # 3. Driver installation ## 3.1 Windows System **Checking the driver** 1. Connect the motherboard to the computer. 2. Open Device Manager，Open the device manager, if the prompt **"USB-SERIAL CH340(COMX)"** appears to prove that the driver has been installed, please skip the **"Driver installation"** part.  **Manual driver installation** 1. Driver download - Windowns System:[Windowns System driver](./Windows.7z) 2. Connect the motherboard to the computer, open the device manager, if there is a yellow exclamation mark in front of the driver in the picture, it proves that the driver is not installed, please download the driver and install it manually.  ## 3.2 MAC System **1 Checking the driver** Connect the development board to the computer, according to [Tools] ---> [Port] to select the development board port (Note: If you can not confirm which port is the development board, please connect the motherboard to take pictures to record all the ports, and then unplug the development board to re-take pictures to record all the ports, and then compare to find the disappeared ports, and then unplug the motherboard after the disappeared ports is the port of the board, and then select the port on the line)If you can not recognize the port, please replace the computer USB port or around the phone cable to re-recognize the port, if it still does not work refer to the following steps to install the driver.  **2 Manual driver installation** 1. Driver download ​ Mac System:[Mac System driver](./Mac.7z) 2. double-click to decompress the downloaded driver zip package  At this point, the port can be recognized by plugging in the board again.