You can delete cookies by following the instructions for your browser below.
Safari: Click on the “Safari” menu, then “Preferences”. Click on the “Security” tab. In the “Web Content” section, click “Remove All Website Data”.
Firefox: Click on the “Firefox” menu at the top of the screen and then select “Options”. Then, in the Options screen, select the “Privacy” tab. Under the "Web site cookies usage"
Chrome: At the top right, click More Settings. Click Privacy and security. Cookies and other site data. Click See all site permissions and data. Clear all data. To confirm, click Clear.
Internet Explorer: Select the Tools button, choose Security, then select Delete browsing history. Select the Cookies and Website Data checkbox, then choose Delete.