: If you get video but no sound, ensure your "Recording" settings in Windows Privacy settings allow apps to access your microphone (Windows treats the USB capture audio as a mic).

If the WinUSB method fails and you see error 52 (unsigned driver), you can permanently disable driver signature enforcement at your own risk:

The KWorld VS-USB2800D is not recommended for Windows 10. It is a legacy device (circa 2007–2010) that was abandoned before Windows 8. Users seeking a hassle-free experience should acquire a modern capture device.

To ensure the hardware communicates correctly with your PC, follow these steps:

Right-click it, select , and choose "Browse my computer for drivers" to point it directly to your extracted driver files. Troubleshooting Common Issues