Cookie is a file that is downloaded to your computer when accessing certain web pages. Cookies allow a web page, among other things, to store and retrieve information about the browsing habits of a user or their equipment and, depending on the information they contain and the way they use their equipment, they can be used to recognize to the user. The user's browser memorizes cookies on the hard disk only during the current session, occupying a minimum memory space and not harming the computer. Cookies do not contain any kind of specific personal information, and most of them are deleted from the hard drive at the end of the browser session (so-called session cookies).
You can allow, block or delete cookies installed on your computer by configuring the browser options installed on your computer:
Google Chrome https://support.google.com/chrome/answer/95647?hl=es-419
Internet Explorer https://support.microsoft.com/es-es/help/17442/windows-internet-explorer-delete-manage-cookies#ie=ie-10
Mozilla Firefox https://support.mozilla.org/es/kb/habilitar-y-deshabilitar-cookies-sitios-web-rastrear-preferencias?redirectlocale=es&redirectslug=habilitar-y-deshabilitar-cookies-que-los-sitios-we
Apple Safari https://support.apple.com/es-es/HT201265