This information applies to Windows Internet Explorer 7 and Windows Internet Explorer 8.
You can choose the number of days that Internet Explorer keeps a history of the webpages you have visited. After that period of time, the history is automatically deleted.
Open Internet Explorer by clicking the Start button , and then clicking Internet Explorer.
Click the Tools button, and then click Internet Options.
Click the General tab, and then, under Browsing history, click Settings.
Under History, specify the number of days you would like Internet Explorer to remember the webpages you have visited. If you don't want a webpage history kept, set the number of days to 0.
Click OK twice.