Professional Astronomy SoftwarePC version Compatible with Windows XP and higher including Windows 10.1 Similar to Starry Night This space simulation that lets you explore our universe in three dimensions. Unlike most planetarium software, it doesn't confine you to the surface of the Earth. You can travel throughout the solar system, to any of over 100,000 stars, or even beyond the galaxy. All movement is seamless; the exponential zoom feature lets you explore space across a huge range of scales, from galaxy clusters down to spacecraft only a fewmeters across. A 'point-and-goto' interface makes it simple to navigate through the universe to the object you want to visit. It is expandable. It comes with a large catalog of stars, galaxies, planets, moons, asteroids, comets, and spacecraft. System Requirements Microsoft WindowsWindows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 10.1 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 CD 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 CD sleeve. Majority of our shipment are via FedEx with tracking number