Since this is a .part1.rar file, it is part of a . You cannot use it alone; you must have all subsequent parts (e.g., .part2.rar , .part3.rar ) in the same folder to successfully extract the contents. How to extract and use this file

: You will usually find a .zip file inside. Move that .zip file to your FS22 mods folder (typically Documents\My Games\FarmingSimulator2022\mods ).

: It may contain an .exe installer or a "Data" folder meant to overwrite files in your main game directory. Always back up your save files before applying manual updates. Safety Note