Deleting Cookies
Chrome
Click the Chrome menu on the browser toolbar (3 horizontal lines usually at the right-top of the Chrome window)Select Settings> Clear Browsing Data
Tick "Delete cookies and other site and plug-in data"
Click button "Clear browsing data"
Firefox
Press the Alt buttonTools>Options>Privacy
Click "Show Cookies"
From here you can remove one or more or all cookies by
using the "Remove (All) Cookies" buttons
Safari
Click the "gears" menuTick "Remove all website data"
Click the "Reset" button
Internet Explorer
Press the Alt buttonTools>Internet Options
In the "Browsing History" section, click on "Delete"
Tick "Cookies" and then click the "Delete" button
Please note that you will need to consult the help sections of these or any other browsers for up to the minute details