Microsoft has just released the Windows 8 Consumer Preview and it is available to download from its servers. Both x86 and x64 versions are available in ISO image format. To install this operating system in your system, burn images to DVD and then use this DVD to install it on your system.
“Note before you download: Windows 8 Consumer Preview is prerelease software that may be substantially modified before it’s commercially released,” Microsoft explains on its website.
This is not the final version of the operating system. So you may see many changes in the final version of the operating system which is expected to come in the month of october this year. Before the final version, company may also launch RC version in this summer.
To download the ISO images, go to the official website of the Micrsoft.