You use Pamela if you really need it to work perfectly, generate a split stereo sound file (you on one side and the guest on the other) in WAV (Microsoft) format suitable for editing and post production.
If you don’t have the bank for a license or your application isn’t critical, there are other programs for Windows.
https://forum.audacityteam.org/t/help-recording-with-a-mic-laptop-and-headphones/35068/6
Keep reading down that message thread.
Koz