Cookies are small strings of text exchanged between a server and the web client. They are used to perform automatic authentication, session tracking and storage of specific information regarding users accessing the server.
Set forth below is information on how to modify cookie settings on some of the more common browsers:
Microsoft Internet Explorer: https://support.microsoft.com/en-us/help/278835/how-to-delete-cookie-files-in-internet-explorer
Mozilla Firefox: https://support.mozilla.org/en-US/kb/disable-third-party-cookies