Based on the file naming convention, this appears to be a for a Farming Simulator 22 (FS22) mod or game update. Filename: sc24857-FS22v1820.part2.rar
Part 2 of a divided archive containing FS22 content, likely version 1.8.2.0 (based on "v1820"). How to Use This File sc24857-FS22v1820.part2.rar
Ensure you have part1.rar and part2.rar in the same folder. Based on the file naming convention, this appears
sc24857-FS22v1820.part1.rar (You likely need this one too) Based on the file naming convention