Step 1 - Open tools menu and click on internet options

Step 2 - click on the 'Delete cookies' button to remove cookies from your computer

Step 3 Click on the 'Delete files' button to remove all files stored on your computer that have been download from the internet. Note every page you view that contains pictures etc will result in you storing these pictures etc in your temporary internet folder.  A person can then view this directory and view the files, pictures, etc that have been downloaded.

Step 4 - Click on the 'Clear History' button to remove your browser history so that others can not view what you have been looking at on the Internet.