"EasyCAP" devices are notorious for having dozens of internal hardware variations (different chipsets). If the drivers in DV_Capture.7z don't work, you may need to look for a different version specifically for your chipset (e.g., SMI2021 or Empia). If you'd like, I can help you:
Locate if your device isn't being recognized. DV_Capture.7z
The archive usually serves as a software bundle for hardware that no longer ships with physical installation discs. Contents often include: "EasyCAP" devices are notorious for having dozens of