How to Clear Your Computer History
Your computer browser history is saved on the hard drive each time you access a Web site. The computer history is called the "cache." This cache is used when retrieving Web pages, which improves the speed at which you download and view Web browser in the browser. Deleting this history protects other people from viewing your browser history. Each common Web browser gives you the ability to clear your history manually.
Internet Explorer 8.0
Open Internet Explorer. Click the "Safety" button at the top of your browser's window. Select "Delete Browsing History."
Check the "History" check box. Select any other history you want to delete such as form data, passwords and cookies.
Click "Delete." The history is deleted from your computer's hard drive.
Open your Firefox browser. Click the "Tools" menu item. Select "Clear Recent History" from the menu.
Select "Everything" from the drop-down menu. Click the arrow next to the "Details" label to view a list of options.
Check "Browsing and Download History." Check any other history you want to delete and click "Clear Now." The information is removed from your computer.
Open Google Chrome. Click the "Tools" toolbar item, which is labeled using a wrench icon. Select "Clear Browsing Data."
Check "Clear Browsing History" and select "Everything" from the drop-down menu.
Click "Clear Browsing Data" to delete the history from your computer's hard drive.