So just like my other guide, this is more for my own records so I can come back and refer to it.
I know there are scripts for these things, but I prefer doing them manually so I can learn along the way.
Maybe it can help someone else in the...
Even though some time has passed, I'm posting this for whoever might stumble into the same situation (ie modifying a non-UEFI-based Windows boot to UEFI-based). You can do this in two steps, in less than 1-2 hours. The procedure involves (a)...