Hello. Thank you for reaching DJI Forum. We do apologize for the troubles you had recently. You may refer to this information about installing your DJI Flight Simulator. Just remember some tips before installing.
System requirements for the DJI Flight SimulatorMinimum System requirements: Processor: G4560; Graphics: GTX 1050 Ti; Memory: 16GB RAM; HDD: 80GB Free
Recommended System requirements: Processor: i5-6400; Graphics: GTX 1060 or GTX 1070; Memory: 16GB RAM; HDD: SSD+80GB Free