In Tek Syndicate's video: https://www.youtube.com/watch?v=SsiHegrG3gs at the time 10:50, it talks about serial numbers for about $13, and I would really prefer this to paying $100 for the code.
Thanks for your help ahead of time!
Plenty of people have them in the Buy/Sell/Trade section, take a peek there and see what's being offered
https://www.reddit.com/r/microsoftsoftwareswap/
is one place.
my friend has worked with /u/s5ean directly. Maybe send him a PM