Yes, you can use your Redmi Note 5 Pro as a webcam on your Windows PC. To do this, you will need to install a third-party app, such as DroidCam, on both your Redmi Note 5 Pro and Windows PC. Once installed, follow the instructions on the app to set up the connection between your Redmi Note 5 Pro and Windows PC. Once connected, you will be able to use your Redmi Note 5 Pro as a webcam on your Windows PC.