Cookies are small data files stored on your computer to hold a very small amount of information related to a certain website. Cookies allow a website to do things like store your passwords for a website or deliver a page tailored to you and your preferences.
Sometimes you need to clear your cookies because they are storing incorrect user login details, or they are preventing you from seeing a change to your site. Because cookies are generated and stored in your web browser, there are different instructions on how to clear cookies depending on what browser you are using.
Clear cookies in: