??PLEASE NOTE: You will receive EXACTLY as advertised USB (not a disc) as pictured in protective sleeve. Retail box is NOT included.??THIS IS NOT MS flight simulator; this is FLIGHTGEAR flight simulator exactly as advertised. This is a professional simulator and will require reading of the manual included on USB to learn how to fly. Recommended system specs - CPU: Quad-core / RAM: 6GB / GPU: 2048MB VRAM / HDD: 5GB. Summary: FlightGear flight simulator has been developed over two decades resulting in a highly sophisticated detailed and ultra-realistic flying experience! Includes 20 000 real airports worldwide the chances are if it exists in real life it exists in this flight simulator. Fly small/large model plane helicopters and even airships! You have the freedom to fly anywhere worldwide and experience the ultimate in flight simulation! Main Features: FlightGear provided on USB compatible with Microsoft Windows PC Hundreds of aircraft ready to fly from the classics to modern Free for life updates Live and current weather Real aviation charts Multiplayer servers Realistic scenery and time of day modelling Scenery night lighting Multiply display support Supports keyboard mouse joystick yoke pedals etc (RC transmitters are NOT compatible) PixelClassics uniques: Over 400 aircraft included on USB and another 200+ aircraft available as free download! Easy-to-use installation menu! Installation guide including First Flight Guide by PixelClassics helping you get airborne instantly! 200+ page software manual email support and more! This is a GNU licensed product and PixelClassics has been granted full rights under this license to distribute derivative works.