: Shift to building these about a year before you expect to go to war to produce infantry equipment, artillery, and planes. Research Priorities :

Managing a file like involves standard file extraction and setup procedures for Hearts of Iron IV (HOI4), a complex World War II grand strategy game. File Handling & Installation

: By default, HOI4 stores user data (saves, logs, and mods) in C:\Users\ \Documents\Paradox Interactive\Hearts of Iron IV\ .