Click Tools and then Internet Options.
To clear the history list, click the Clear History button.
Confirm the deletion by clicking Yes.
Click OK to close the Internet Options dialog box.
To keep others from browsing through a list of sites you have visited, you can clear your history list. You might also do this to free up the disk space Windows XP uses to store this history list.
How Long Saved?
You can select how many days the history is kept. Select the number of days the history by typing a value or using the spin arrows to increment the value on the General tab.