1. Download OBS Studio. https://obsproject.com/

2. Setup Desktop Audio

3. Setup Display Capture

4. Setup Setting -> Output File 

5. Must do Testing to Make Sure OBS able to capture Display together with Desktop Audio

Debug Black Screen: https://www.google.com/search?q=obs+studio+black+screen&oq=obs+stu&aqs=chrome.4.69i59j0j69i57j0l5.3812j0j4&sourceid=chrome&ie=UTF-8