How to Disable Metro User Interface in Windows 8

To Disable the Metro User Interface in Windows 8 and utilize the Windows 7 style Start Menu and Desktop:
Press the Windows key + R
Regedit
Locate the following registry key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer
Locate the key:
RPEnabled
right-click
select Modify.
Change Value Data for the key from 1 to 0.
Click OK.