1. Extract all the files in the archive to the same folder

2. Need to install the driver before the first use, under the "Drivers" folder
Select the corresponding driver installer according to the system version
32-bit system installation   CP210xVCPInstaller_x86.exe
64-bit system installation   CP210xVCPInstaller_x64.exe

3. After installing the driver, double-click to run coatingMaster.exe