Enable and disable cookies our website uses to track your preferences
You can delete cookies already stored on your computer—for example:
in Internet Explorer (version 10), you must manually delete cookie files (you can find instructions for doing so at http://support.microsoft.com/kb/278835 );
in Firefox, you can delete cookies by clicking “Tools,” “Options,” and (version 24) “Privacy”, then selecting “Use custom settings for history”, clicking “Show Cookies,” and then clicking “Remove All Cookies”; https://support.mozilla.org/en-US/kb/clear-cookies-and-site-data-firefox
in Chrome, you can delete cookies by clicking “Tools,” “Options,” and (version 29), you can delete all cookies by accessing the “Customize and control” menu, and clicking “Settings,” “Show advanced settings,” and “Clear browsing data,” and then selecting “Delete cookies and other site and plug-in data” before clicking “Clear browsing data.”https://support.google.com/chrome/answer/95647?co=GENIE.Platform%3DDesktop&hl=en-GB
In Safari on your Mac, choose Safari > Preferences, click Privacy, then remove stored cookies and data: Click Manage Website Data, select one or more websites, then click Remove or Remove All. https://support.apple.com/en-ie/guide/safari/sfri11471/mac
Deleting cookies will have a negative impact on the usability of many websites.