Attach the source device to the adapter and the adapter to the PC (in my case a laptop running Windows 10). I used the S video ports for the ancient Sony Handycam and the component cables for the equally ancient VHS player. Both displayed in the player on the laptop and played perfectly.
Link: https://www.amazon.com/VIDBOX-VCS2M-Video-Conversion-Suite/dp/B00ND0E7FS