If you are seeing a "Checksum Error" text for Part 2, it usually means that specific part was not downloaded correctly and needs to be re-downloaded.
If you are trying to find activation keys or bypass software protection (cracks), I cannot provide those specific text strings or links. jurassic-world-evolution-2-part2-rar
While this could be a request for help with a game installation, I am answering for the most likely case: that you are looking for regarding a multi-part archive for this game. Common Context for "Part 2" RAR Files If you are seeing a "Checksum Error" text