Here are various articles that can give you more information about Elgato Game Capture HD60 S+. They should help you understand what the product can do, and also help you install and use it.
Keep in mind that both Elgato Cam Link 4K and Elgato Game Capture HD60 S+ use the UVC protocol - they can work to connect your HDMI camers to applications such as Zoom or Skype for Video Conferencing.