Realistic Flight SimulatorFlightgearMac Version Compatible with Mac OSX 10.8 (Mountain Lion) and higher A sophisticated flight simulator for use in research or academic environments, pilot training, as an industry engineering tool, for DIY-ers to pursue their favorite interesting flight simulation idea, and a fun, realistic, and challenging desktop flight simulator. This is NOT a Microsoft product, and NOT compatible with any FSX add-ons.Features (Internet requires for some features)FREE for life updates!Over 500 aircraft! With 60+ aircraft included and the rest 400+ aircraft available as FREE downloadOver 20,000 real world airports available.Automatically downloads current weather conditions from the internet as you fly.Connect to the multiplayer server and fly with your buddies.Realistic 3D sound effects.Accurate terrain worldwide, based on the most recently released SRTM terrain data. Advanced multi-monitor display support Realistic scenery includes all lakes, rivers, roads, railroads, cities, etc.Realistic time of day modelling with correct lighting and shading of the aircraft and scenery.Input Devices: While you can use just a keyboard and mouse, it's highly recommended that you use a joystick, or a two stick game pad. Yoke and or pedals are also compatible. System Requirements Mac OSX10.8 (Mountain Lion), 10.9 (Mavericks), 10.10 (Yosemite), 10.11 (El Capitan), 10.12 (Sierra) F.A.Q Is this a trial version or full software?This is a full version of the software. We use open-source software to provide a more affordable alternative to expensive software on the market. We charge for our work to professionally make and package the auto-run CD-ROM for your usage. And if you have any questions, please feel free to contact us and we will try our best to assist you. Does the software violate any copyrights?No. I am authorized to distribute this software under the GNU LGPL. This listing does not violate the Digital Delivered Goods Policy as it ONLY offers a CD version. Can I install on more than one computer? Yes. You may install on unlimited PCs within your household and use this software without restrictions. Do you supply printed manual?No. All user manuals are in digital form. Is this Legal software? Yes! This is 100% legal software! All software under GNU LicenseWe are Authorized Distributors Under GNU GPL (General Public License) Does this software have to be activated? No activation is required ! Payment We accept all major credit cards and paypal ShippingNo shipment to Alaska/Hawaii, US Protectorates, APO/FPO, PO Box and International.You will receive a CD with a jewel case/CD sleeve. The box will NOT be shipped. This helps to reduce your shipping cost.Majority of our shipment are via FedEx with tracking number This is not a boot limited, OEM, shareware, bootleg or trial version, No activation or CD key is required to take full advantage of this software. CD-ROM set does not come in a retail box as it is Open Source software. Installation is as simple as inserting the CD in your computer. All the software programs included in this listing and included on these CD-ROM's are Open Source, not "freeware" or "shareware". We are authorized to distribute this software under the GNU LGPL. This listing does not violate the Digital Delivered Goods Policy as it ONLY offers a CD version. No copyright or trademark laws have been infringed. This product is in full compliance and full accordance to eCRATER's Media Policy and Unauthorized Copies Policy.Copies of these licenses can be provided upon request. Please contact before taking action.