Follow below steps:
1. Open command prompt (cmd) in windows (click window+R, type cmd in it and press enter)
2. Go to adb (android debug bridge) platform tools, it will be in your android sdk folder:
Example - C:\Users\abc\AppData\Local\Android\sdk\platform-tools
3. Connect your android phone
4. Run command to record: adb shell screenrecord --verbose ./sdcard/record-video.mp4
5. To stop recording, press: Ctrl+C
