Not long to go before the release of Windows 10, and a range of information is now available on the web.

Microsoft is making Windows 10 available as free upgrade for qualified Windows 7, Windows 8.1, and Windows Phone 8.1 devices.

From Edition To Edition
Windows 7 Starter Windows 10 Home
Windows 7 Home Basic
Windows 7 Home Premium
Windows 7 Professional Windows 10 Pro
Windows 7 Ultimate
Windows Phone 8.1 Windows 10 Mobile
Windows 8.1 Windows 10 Home
Windows 8.1 Pro Windows 10 Pro
Windows 8.1 Pro for Students

A range of information can be found at: http://www.microsoft.com/en-us/windows/windows-10-faq