Cookies are short text files that the viewed websites place on your computer's browser. Cookies will not connect to your system and will not harm your files.
Cookies may be "permanent" or "temporary" cookies. The permanent cookie is stored by the browser for a specified time, provided that the user does not delete it before, but the temporary cookie is not stored by the browser and will be automatically deleted by the browser.
If you do not agree to place a cookie, you can do this by setting options (forbidden, revoked) in your browser. In this case, this may restrict or prevent the use of certain services.