Cover your tracks
To clear the history cache on Internet Explorer 9, follow these instructions:
Find the Menu bar;
Click on Tools and select Internet Options;
Under the General tab, in the section called Browsing History, click on Delete;
Don’t forget to click on Apply before clicking on OK.
If you don’t know what browser you are using, follow these instructions:
Find the Menu bar;
Click on the Help menu and choose Help;
In the search box, enter “Clear Internet History” or “Delete Temporary Files.” This should give you instructions for the computer program you are using.