Permanently enable 'Open command window here' in Windows 7

By default you need to right-click a folder, while pressing the SHIFT key, in order to access 'Open command window here' context menu option. However, it can be enabled permanently with the help of following steps

• Click Start, Run and type Regedit.exe
• Navigate to the following location:
• HKEY_CLASSES_ROOT\Directory\shell\cmd
• In the right-pane, delete the REG_SZ value named Extended