To install IISlockdown, download it from the Microsoft Web site at http://download.microsoft.com/download/iis50/Utility/2.1/NT45XP/EN-US/iislockd.exe .
You can save it locally or run it directly by clicking Open when you are prompted. If you save IISLockd.exe, you can unpack helpful files by running the following command:
iislockd.exe /q /c
This command unpacks the following files:
IISLockd.chm . This is the compiled help file for the IISLockdown tool.
RunLockdUnattended.doc . This file includes instructions for unattended IISLockdown execution.
URLScan.exe and associated files . These files install URLScan without running IISLockdown.exe.