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 ). sc25532-FS22v1900.part1.rar
Are you trying to install a or a game update with this file? Since this is a