Copy the whole content of the folder or the complete 'override' folder. HOI4 How To Change Your Game Version! Hearts of Iron 4In this Hearts of Iron 4 Tutorial I will be showing you how to change your Hearts of Iron 4 Version.
3a) delete your personal HOI4 directory - its path depends on the OS: ( Note: You might want to make a backup of the save games in there before doing that!) - \Users\\Documents\Paradox Interactive\Hearts of Iron IV\.
