Download: Microsoft Windows 8

Microsoft has unveiled the latest beta version of its desktop OS, Windows 8. This particular version is available for downloading and to be evaluation of by the general public. This version gives you a taste of the new Metro UI. The download is available as an .iso file, which can be converted into DVD installation media or a bootable USB flash drive. If you have Windows 7 running, you can use the Windows Disc Image Burner, but other versions will require a third-party program.

Note: "Windows 8 Consumer Preview is prerelease software that may be substantially modified before it's commercially released.

Microsoft makes no warranties, express or implied, with respect to the information provided here. Some product features and functionality may require additional hardware or software. 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".
System requirements are the same as that for Windows Vista and Windows 7, as mentioned below:

• 1 GHz or faster 32-bit (x86) or 64-bit (x64) processor
• 1 GB RAM (32-bit) or 2 GB RAM (64-bit)
• 16 GB available hard disk space (32-bit) or 20 GB (64-bit)
• Graphics card supporting DirectX 9 or higher
• Taking advantage of touch input requires a screen that supports multi-touch
• To access the Windows Store and to download and run apps, you need an active Internet connection and a screen resolution of at least 1024x768
• To snap apps, you need a screen resolution of at least 1366 x 768

Developer: Microsoft
Size: 2.5 GB (x86), 3.3 GB (x64)
Licence: Preview
Platform: PC
URL: preview.microsoft.com
Download: http://windows.microsoft.com/en-US/windows-8/iso