1. Install MPLAB X IDE (https://www.microchip.com/en-us/tools-resources/develop/mplab-x-ide) 2. Install MPLAB XC8 - v2.20 (https://www.microchip.com/en-us/tools-resources/develop/mplab-xc-compilers) 3. Open MPLAB 4. Click "File -> Open project" 5. Select the project name “UART_PLC.X” 6. Click “build project” 7. Upload to device