This can be fixed by simply unsubscribing then re-subscribing to the mod on the Steam Workshop. While the kinds of mods people want to look for is up to them, let's go through some key categories that will help catalyze that modding experience that has become such a staple for Paradox games. Simply check the Paradox forum for their listed mods and follow their instructions on their respective threads to download them. Keep in mind that not all mods might be found on the Steam Workshop even if the vast majority are. The mod will be automatically downloaded and will populate the mods section in HOI4 's launcher. Modding has never been easier as the Steam Workshop literally makes adding a mod as easy as clicking the subscribe button on the mod's respective page. Still, let's ride this tiger of selection and focus on four salient categories to encircle some of the best mods out there. Trying to pick and choose mods through this white-out of vast choices can be as daunting as Operation Barbarossa.