So, I'm trying to turn http://www.youtube.com/watch?v=aoUqSPQQuW4 into and MP3 without visiting any virused websites and without downloading any software. I have realtek audio (really bad, I know) and am willing to go to a website so long as anyone can vouch for me that it won't mess up my rig.
"You may access User Submissions for your information and personal use solely as intended through the provided functionality of the YouTube Website. You shall not copy or download any User Submission unless you see a "download" or similar link displayed by YouTube on the YouTube Website for that User Submission."
Non-copyrighted or not, you're not allowed to download videos from Youtube.