Cookie Preferences 

You may refuse the use of cookies by selecting the appropriate settings in your browser. However, if you do this you may lose some useful functionality such as personalization and “keep me signed in” and “remember me” features.

Optional for English-only sites:
How to disable cookies in your browser

Here’s how to prevent new cookies from being installed and how to delete existing cookies. The exact procedure depends on which browser you are using.

Internet Explorer

To prevent new cookies from being installed and delete existing cookies:
http://windows.microsoft.com/en-GB/internet-explorer/delete-manage-cookies

Firefox

To prevent new cookies from being installed:
https://support.mozilla.org/en-US/kb/enable-and-disable-cookies-website-preferences

To delete existing cookies:

https://support.mozilla.org/en-US/kb/delete-cookies-remove-info-websites-stored

Google Chrome

To prevent new cookies from being installed and delete existing cookies:
https://support.google.com/chrome/answer/95647?hl=en

Safari

To prevent new cookies from being installed and delete existing cookies:
http://help.apple.com/safari/mac/8.0/#/sfri11471