Microsoft recently previewed the first public demo of its new Windows 8 OS. Windows 8 OS is believed to change the way you have ever used your Windows PC. It is a completely different from the previous versions of Windows, be it the complete makeover of UI alongside the Metro UI of Windows Phone 7 or the new set of features about which everyone is puzzled and excited at the same time. People are still confused about what to expect, what is changing, what would still remain the same and so on. We are trying to answer all the major questions related to Windows 8 here, and the direct download links to download the ISO of the Windows 8 developer preview build would follow at the end of the post.