Trouble
Noob Whisperer
ISO images and key.
You don't need to do anything special
Windows 8 Release Preview ISO formats
You don't need to do anything special
As this is a pre-release version, please be cautious as to how you go about the installation and avoid upgrading your current OS, ideally you may wish to test on a non-production machine, virtual machine, dual boot scenario or a completely separate drive installed alone and used independently for this purpose only.
Windows 8 Release Preview ISO formats