Change 404 Error Page in IIS

How to Change 404 Error Page in IIS 6.0
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1) Windows - Go to Start - Run - Type "inetmgr" Then IIS will Open
2) Right Click on Website - Properties
3) Select CUSTOM Errors Tab
4) Click on HTTP Error 404
5) Edit - Message Type (File or URL) change the file type

Check The following Image

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