Microsoft has at last revealed that it will be releasing Windows 10 into the wild on July 29, having teased the free-upgrade operating system for Windows 7 and 8.1 users since its unveiling in January. But while you can pre-register today, what will you actually be signing up for? Here's our rundown of all you need to know about the Windows 9-leaping OS for desktop, mobile and, of course, Xbox One. Windows 10 will come in seven different flavours There will be quite a few new names to get used to for Microsoft's universal operating system – seven, in fact. The exact titles are: Windows 10 Home: The consumer-focused desktop edition. Windows 10 Mobile: The re-branded Windows Phone for smartphones and tablets. Windows 10 Pro: A desktop edition for PCs, tablets and 2-in-1s aimed at small businesses. Windows 10 Enterprise: Builds on...