How to Switch Between Classic and Metro Start Menu on Windows 8
Some users might want to toggle back and forth between interfaces and might want to disable one of them. You might get tired of the Windows 7 classic start menu at some point and decide to go back to the Windows 8 metro Style, although, many users find this new interface confusing, especially when using this operating system on computers that do not support touch.
Windows 8 Start Menu Toggle is Designed to help you quickly enable / disable the Metro interface.
Download and extract program archive contents to a folder. Windows 8 will ask you to download and install .Net Framework 3.5.1 run-times, if you’re stuck on the download update window see this video Enable .NET Framework 3.5.1 on Windows 8 Developer Preview
Windows 8 Start Menu Toggle works on Windows 8 Developer Preview.