The most autistic way to play GoB

We crusader kings game of thrones bois now. You need to have just the base game of CK2, and also download the Game of Thrones total conversion mod.
This is the link to the mod: https://citadel.prophpbb.com/topic13635.html
The checksum's are important for connecting, more on that later.
The current mod has two time periods.
The first time period has the most content and uses the checksum: YLFI
The second is an earlier period and uses: CFXJ