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I tried following these steps but when I record, all I hear is the sound picked up by my lifecam mic, not the zoom audio. So it records only my part of the conversation, not theirs. (They gave me permission to record but it's up to me to get it to work lol, so I can't use zoom to record as I'm not the host.)
You can record your System audio + microphone on Win 8 or 10 using Audacity.
Steps: STEP 1: Right Click on Speaker/Volume icon on your task bar then click "Open Sound Settings".
Step 2: On the left side of the newly open window you'll find Related Settings. Click on "Sound Control Panel"
Step 3: Now Click on Recording Tab ---> Right click on your Microphone icon then clik on "Properties"
Step 4: Goto Listen Tab then Tick/Check the box that says "listen to this device"
STEP 5: Open Audacity then Select WASAPI (Windows Audio Session API) as your audio HOST. Select Your default playback Device (Headphones or Speakers) as Recording Device.
STEP 6: Press"Record" and now you should be able to capture both your microphone and system audio.