How to Install UBW Route

No.10476508 ViewReplyOriginalReport
So, I downloaded the UBW patch to get the route translated from Mirror Moon. However, I can't figure out what to do when it says to point to where the disc is located. I installed FSN ages ago and mounted it to drives F, H and J with Virtual DAEMON but I'm totally lost now.

How do I get this to install properly again?