If you are working with a split archive like part02.rar , follow these steps to ensure a clean install:
You must have every numbered part (e.g., part01 , part02 , part03 ) in the same folder.
Right-click part01.rar and select "Extract Here." The extraction software will automatically pull data from part02 and subsequent files.
This specific version (Dangerous Experiments) introduced several mechanical overhauls: Generation Zero The Skyfire Update Is Here !