[mbj]

This is how you can look up the MAC address of your own computer. You launch a command prompt, then type:

ipconfig /all

Look for “Physical Address”.

Here are more in-depth instructions: https://dnschecker.org/mac-lookup.php

[Chaguito]

Again, I wasn’t clear. You cannot find your MAC address by searching the internet. Of course, you can find instructions on the internet on how to query your own machine.