: You miss out on supporting the developers who continue to release new animal packs and free updates. Troubleshooting Legitimate Installations
: In Steam, right-click Planet Zoo > Properties > Local Files > Verify Integrity of Game Files. Planet.Zoo.Deluxe.Edition.v1.2.5.part1.rar
If you have purchased the game and are having trouble with files or performance: : You miss out on supporting the developers
Downloading games via fragmented .rar files from unofficial sources carries heavy risks: the entire game fails to install.
: If one "part" is missing or slightly corrupted, the entire game fails to install.