Windows 8 Consumer Preview is available for download, it is only a temporary test version of Windows 8. Maybe you’re interested to try to Windows 8 and don’t want to uninstall your recent Windows or Linux operating system. It is possible to run the Windows 8 Preview version on a virtual computer. With the test version you have the chance to get bugs or crashes and beside this the Windows 8 version is only for temporary use, after a while it’s no longer usable. So if you prefer to keep your existing Windows or Linux operating system you can try to use a virtual computer.