Defrag Hard Drive From Context Menu On XP

1. Open Notepad
2. Type this Script :
;context_defrag.Inf
;Adds Defrag to the right click context menu in Windows XP
[Version]
Signature= "$CHICAGO$"
[DefaultInstall]
AddReg= AddMe
[AddMe]
HKCR,"Drive\Shell\Defrag\Command",,,"Defrag.exe%1"
3. Then Save it with name "Context_defrag.inf
4. Finally, Install it (Right click | Install)