just got a new note 4 want to verify instructions

So basically first I should update to MM

after that use this guide to root and install custom recovery

http://forum.xda-developers.com/note...ih-cf-t2903733

After that can I use any rom in snapdragon section
http://forum.xda-developers.com/note-4/snapdragon-dev

or can I only use note 4 tmobile roms?

I use it internationally so I dont care about wifi calling

am I missing anything I used to use an htc device so I am not sure how samsungs work.