3 Ways to Connect a Microphone to a Computer - wikiHow
Sound card microphone
Amazon.com: USB External Sound Card Adapter - USB A Audio Adapter External Sound Card, Plug&Play with 4-PIN Microphone Jack for MacBook, Windows, Linux, Laptop, PC, PS4 : Electronics
audio - Microphone voltage on a 3,5mm PC microphone/headphone jack - Electrical Engineering Stack Exchange
audio - Connecting two electret microphones to computer to record stereo sound - Electrical Engineering Stack Exchange