#2
theres an audacity sticky...

https://www.ultimate-guitar.com/forum/showthread.php?t=584790

you need to download the LAME mp3 encoder from the Audacity site. Save it to a place where it wont get deleted but that youll know where to get to. when you run audacity and say File>export at mp3 - it will ask where the MP3 encoder plugin is and youll search it down in the browser.