Windows 8 Release Preview ISO images
An ISO image must be converted into installation media stored on a DVD or a USB flash drive.
Instructions are provided on this page. Developer tools are available for download from
Windows Dev Center.
Important: If you decide to go back to your previous operating system, you'll need to reinstall
it from the recovery or installation media that came with your PC, which is typically DVD media.
If you don’t have recovery media, you might...
