Right-click part1.rar and select "Extract Here" (using software like WinRAR, 7-Zip, or The Unarchiver). The software will automatically combine both parts to extract the content.

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.part1.rar (You likely need this one too)