Do you have downloaded, or are you seeing an error message when you try to open the first one?
: Right-click only the first file ( Highrise.City.v1.0.4.part1.rar ) and select "Extract Here" or "Extract to Highrise.City.v1.0.4/" . Highrise.City.v1.0.4.part1.rar
: Resolution of crashes or UI glitches present in earlier 1.0.x versions. Do you have downloaded, or are you seeing