Guide: How to setup EmuNAND without a flashcard!

So, I was having serious issues finding a really, really good and detailed guide on how to hack and install EmuNAND on your 3DS without using an actual Gateway Card (they are out there, but I spent a day of trial and error figuring out a process that could be done in an hour or less), but after a good bit of research and understanding, I've finally managed to figure it out.

EmuNAND allows you to run the latest version of the 3DS firmware alongside an older version so that you can have...

Guide: How to setup EmuNAND without a flashcard!