Starting from today you can download Windows 8 developer preview from the developer site of windows. It also comes with Developer tools, SDK (Software Development Kit ) and also SDK applications. Both the 32-bit and 64-bit builds of operating systems will be available on the site. Windows says that it is not yet a beta release.
The ISO images of the new Windows 8 operating system can be downloaded using your windows live ID. With some key changes in the UI and the performance Windows 8 is going to be the next big thing for Microsoft.
Microsoft unveiled its new OS at the BUILD Conference today. And the keynotes of the conference can be viewed directly at the stream on the BULID website here. With 450 million copies sold, Windows7 has now become the most used operating system than Windows XP.