I use Windows 10 pro. I have onion connect by Dragon fruit installed. In settings it show Discord Presence- toggle to enable. Close settings. Turn on onion connect. It will change from red to green. This setting is typically under more options in the task bar. Now your IP is from a tor node. I use Epic Browser with the proxy enabled- in case onion connect were to fail-never has
Dragon fruit onion connect site:
https://dragonfruit.network/onionfruit
As for Mac address spoofing this website explains it in detail:
https://sguru.org/spoof-mac-address-windows-10/
I am also hardwired with CAT 5E cable- no WiFi
I hope this answers your questions. Also watch Malwarebytes scan closely as it will see some Discord installation files as Trojans.
Good luck.