This is the guide I used to mod single player but I haven't been able to test the server cause its been down for 8 bloody hours >.>
Requirements
This mod utilizes UE4SS xinput and has only been tested on the single player Steam version of Palworld. Gamepass users are reporting success with the Gamepass installation method outlined below.
Installation
Steam
Download the zip and extract it in Palworld\Pal\Binaries\Win64\Mods.
Gamepass
Download the zip and extract it in C:\Users"UserName"\AppData\Local\Pal\Saved\Config\WinGDK\Mods.
Alternatively, some users are reporting the mod should be installed in the following location: (C:\XboxGames\Palworld\Content\Pal\Binaries\WinGDK)
If you get stuck, this video may help Modding Palworld | Game Pass Guide | Install, Config & Use Mods in Palworld Game Pass.
UE4SS xinput installation steps
Steam
Download UE4SS_Xinput_v2.5.2.zip
Extract to Palworld\Pal\Binaries\Win64
In the UE4SS-settings.ini file, set bUseUObjectArrayCache to false.
Gamepass
Download UE4SS_Xinput_v2.5.2.zip
Extract to C:\Users"UserName"\AppData\Local\Pal\Saved\Config\WinGDK
Alternatively, some users are reporting UE4SS should be installed in the following location: (C:\XboxGames\Palworld\Content\Pal\Binaries\WinGDK)
Rename xinput1_3 to xinput1_4
In the UE4SS-settings.ini file, set bUseUObjectArrayCache to false.