~/Documents/Paradox Interactive/Crusader Kings II/mod/
~/.paradoxinteractive/Crusader Kings II/mod/ ~\Documents\Paradox Interactive\Crusader Kings II\mod\ CKII's default mod folder location varies by operating system: Otherwise, it's critical to know the proper location of the mod folder to get started. If you know where your CKII mod/ folder is located, skip right past this section and on to Installation Instructions. This is the folder in which CKII looks for mods when it starts. HIP's automatic installer enables players to choose exactly the combination of modules and options that they desire - seamless and flexible modularity simply not possible with Steam Workshop. HIP: Historical Immersion Project HIP Installation Instructions: Using HIP's Automatic Installer