Make sure you install Node.js into a location where you have full Read and Write permissions.
When installing Node.js, make sure that the Add to PATH option is checked.
To make sure Node.js is installed correctly, you can open Windows command line and type the command: where node to see if system can find Node.js.
Open Command Prompt of Windows and input following command to install Appium:
npm install -g appium
Install USB Driver for your phone, you can download it from the device manufacturer site. (If your Android phone is one of Google Nexus series, please skip this step because Android SDK already include the driver)
Turn on the phone developer mode (go to Settings -> Developer options).
Connect your Android device to the computer using USB cable. Just confirm if prompted for accepting/trusting the phone.
Launch Katalon Studio
Open a test project
Open a test case or test suite
Select the option to execute with the Android device from the Run button of the main toolbar. (Katalon Studio for Windows only supports Android devices).
Select your device from the Android Devices list. Click OK.