There are other methods, but probably not a button-push from where you are now.
Do you have a smartphone? They all have voice recorders.

You can probably get your computer to do everything, but maybe not with Audacity.
There is a list of multi-channel devices.
https://forum.audacityteam.org/t/multi-channel-recording-in-audacity/15644/1
There was a software package that allowed multi-channel in Audacity, but it smashed everything into one show. Not what you wanted.
Koz