To make large games easier to upload and download, they are often split into smaller "parts." You have the 10th segment of that set.
v1.0.7.0 indicates this is a specific update of the game. For the game to work, every single part (part1, part2, etc.) must be the exact same version. How to "Put it Together" City.Bus.Manager.v1.0.7.0.part10.rar
Do you have downloaded and ready to extract? To make large games easier to upload and