All modern browsers allow you to change your cookie settings. You can usually find these settings in the “Options” or in the “Preferences” menu of the User’s browser. To understand these settings, the following links may be useful. Or you can use the “Help” option in the browser for more information.
Google Chrome: https://support.google.com/chrome/answer/95647?hl=it
Mozilla Firefox: https://support.mozilla.org/it/kb/Gestione%20dei%20cookie
Internet Explorer: http://windows.microsoft.com/it-it/windows7/how-to-manage-cookies-in-internet-explorer-9