The progression from one Windows version to the next is always confusing: Windows XP gave way to Windows Vista, which in turn produced Windows 7, and each one had various Professional and Home versions to choose from. But this time things are even more unsettled, because Microsoft isn't just introducing Windows 8, it's also rolling out something called Windows RT - which is similar to Windows, but not exactly the same. Here's what you need to know about Windows 8's little brother.
Microsoft is being surprisingly tight-lipped about Windows RT, referring ReadWriteWeb back to the lengthy tome Windows chief Steven Sinofsky authored in February, describing development for the ARM architecture.
So for anyone trying to make sense of the differences between Windows 8 and Windows RT - these 15 questions will tell you everything there is to know - except maybe which new version of Windows is right for you. For that, you'll have to wait until Wednesday for ReadWriteWeb's examination of how to choose between Windows 8 and Windows RT.