Look for the key HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorer in the left column.
In the right pane of the Registry interface, double-click the RPEnabled key, then change the value in the DWORD Value field to 0 .
Now you can reboot to see the change. The Ribbon menu of Windows Explorer as well as the Start Menu, Task Manager . are all returned to the same as Windows 7 even though you are using a trial version of Windows 8.
To revert to the same, in the DWORD Value section you change to 1 .