My computer says I do not have a defragmentation tool installed

message from =?Utf-8?B?UkJT?= on 7 Jun 2004
I recently upgraded from 98 to XP home edition. I went to defrag my c drive and it states that I don't have the necessary tool installed. Where do I go to install this tool?
 

Archived message: My computer says I do not have a defragmentation tool installed (Microsoft XP)
 
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