A “cookie” is a piece of information that is stored on your computer’s hard drive and which records how you move your way around a website so that, when you revisit that website, it can present tailored options based on the information stored about your last visit. Cookies can also be used to analyse traffic and for advertising and marketing purposes. Cookies are used by nearly all websites and do not harm your system. If you want to check or change what types of cookies you accept, this can usually be altered within your browser settings. You can block cookies at any time by activating the setting on your browser that allows you to refuse the setting of all or some cookies. However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our site.
4.1 Most browsers allow you to refuse to accept cookies; for example: in Internet Explorer (version 11) you can block cookies using the cookie handling override settings available by clicking “Tools”, “Internet Options”, “Privacy” and then “Advanced”; in Firefox (version 47) you can block all cookies by clicking “Tools”, “Options”, “Privacy”, selecting “Use custom settings for history” from the drop-down menu, and unticking “Accept cookies from sites”; and in Chrome (version 52), you can block all cookies by accessing the “Customise and control” menu, and clicking “Settings”, “Show advanced settings” and “Content settings”, and then selecting “Block sites from setting any data” under the “Cookies” heading. 4.2 Blocking all cookies will have a negative impact upon the usability of many websites. 4.3 If you block cookies, you will not be able to use all the features on our website.
5.1 You can delete cookies already stored on your computer; for example: in Internet Explorer (version 11), you must manually delete cookie files (you can find instructions for doing so at https://windows.microsoft.com/en-gb/internet-explorer/delete-manage-cookies#ie=ie-11); in Firefox (version 47), you can delete cookies by clicking “Tools”, “Options” and “Privacy”, then selecting “Use custom settings for history” from the drop-down menu, clicking “Show Cookies”, and then clicking “Remove All Cookies”; and in Chrome (version 52), you can delete all cookies by accessing the “Customise and control” menu, and clicking “Settings”, “Show advanced settings” and “Clear browsing data”, and then selecting “Cookies and other site and plug-in data” before clicking “Clear browsing data”. 5.2 Deleting cookies will have a negative impact on the usability of many websites.