Already have these mod loaders? Simply put the .pak file into your ~mods folder and you're done! No need for -fileopenlog
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Instructions for Steam users (Up to date as of 07/21/24):
Download PD3 UE4SS and extract the contents of the .zip to "{GamePath}\PAYDAY3\PAYDAY3\Binaries\Win64\".
Download PD3 Logic Mod Loader. Create a folder called "~mods" under "{GamePath}\PAYDAY3\PAYDAY3\Content\Paks\". Afterwards, put the downloaded "zModLoader_P.pak" inside this folder.
Download this mod and put it in the ~mods folder.
Launch the game!
4a. No need for -fileopenlog in your launch parameters, as UE4SS takes care of this.