PLEASE NOTE: This is the MAC version only. You will receive EXACTLY what is advertised, on a USB stick (not a disk), in a protective sleeve. We limit our packaging to reduce waste, so a retail box is not included. THIS IS NOT the 'MS' flight simulator; it is indeed the FLIGHTGEAR flight simulator supplied on the USB stick as advertised. As a professional simulator, please make sure to read the included PDF guides for setup and flight. Recommended System Requirements - CPU: Quad-core / RAM: 6GB / GPU: 2048MB VRAM / HDD: 5GB Minimum macOS from 10.12 Sierra and later (10.11 OS X and below are not compatible). Depending on the version of your Mac, a USB adapter may be required (not included). Key Features: 600+ aircraft, from classics to modern 20,000 real world airports Complete global scenario Free lifetime updates Live and Current Weather Real Aviation Maps Multiplayer Servers Realistic scenario and time of day modeling Scenario Night Lighting Multiple Monitor Support Support keyboard, mouse, joystick, controller, pedals, etc. PixelClassics Bonus Content: Nearly 400 aircraft included on the USB stick, and over 200+ other aircraft available for free download! PixelClassics installation and first flight guide, helping you take off instantly! Dedicated email support and more! This is a GNU licensed product, and PixelClassics has obtained all rights under this license to distribute derivative works.