You can download the latest version (currently 4.3.8a) from these official community mirrors:
: The most popular source for PC players using mod managers like Vortex or Mod Organizer 2. You can download the latest version (currently 4
: The latest version of USSEP (4.3.8a) requires your game to be updated to version 1.6.1130 or higher . You can download the latest version (currently 4
: Used for installing the mod directly through the in-game menu on PC or Xbox. Critical Requirements & Versioning You can download the latest version (currently 4