Although the Player's Guide compiled for EB 2.35 is packaged in with the download and installation of said version, we are making the updated guide for 2.35A available here. This guide goes into faction governments, reforms, mod installation and more, so please give it a read if you stumble anywhere.
MEGA link
All credit goes to Mantaprey/Chap for writing this, so don't hesitate to give him some +rep if you found the guide useful.