We’ve covered Windows 8 Start Menu Toggle app to switch between Classic and Metro Start Screen, currently developers started building gadgets for Windows 8 also to change features, Windows8 StartMenu Gadget allows to change the Windows 8 Start Menu style in-between Windows 8 and Windows 7 with a single click.
Using Windows8 StartMenu gadget
Once this gadget is downloaded and installed in Windows 8, gadget appears on desktop and shows current Windows start menu style. You can change the start menu style by clicking on the gadget. You can change the gadget background color from its options.
Windows8 StartMenu gadget works on Windows 8 (both 32 &64-bit).