No there is no need to install anything .. It is a straight forward reg edit
•Click Start, type regedit.exe and press ENTER
•Navigate to the following location:
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ explorer \ MyComputer \ DefragPath
•In the right-pane, double-click (default) and set its data as follows:
C:\Windows\System32\dfrgui.exe
•Close Regedit.exe