Chrome
- Open the Chrome browser
- Open the Chrome Toolbar (3 lines to the right of the URL window) and then select Settings
- Select Privacy and security
- Click the Cookies and other site data
- Toggle the setting Clear cookies and site data when you quit Chrome
- Close the Tab.
Firefox
- Open Firefox menu button (3 horizontal lines to the right of the URL window) and then select Settings
- Select the Privacy & Security
- In the Cookies and Site Data Section
- Select the check box for Delete cookies and site data when Firefox is closed
- Close the Tab.