As I stated earlier, when you upgrade you'll stay on like-to-like editions of Windows. Those who are currently running Windows 7 Starter, Windows 7 Home Basic, or Windows Home Premium will be upgraded to Windows 10 Home......Those who are currently running Windows 7 Professional or Windows Ultimate will be upgraded to Windows 10 Pro......Those who are currently running Windows Phone 8.1 will be upgraded to Windows 10 Mobile......Those who are currently running Windows 8.1 will be upgraded to Windows 10 Home......Those who are currently running Windows 8.1 Pro or Windows 8.1 Pro for Students will be upgraded to Windows 10 Pro.