Para Internet Explorer:

http://windows.microsoft.com

Para Safari:

http://support.apple.com/kb/ph5042

Para Chrome:

http://support.google.com

Para Firefox:

http://support.mozilla.org

Para Opera:

http://help.opera.com/Linux/10.60/es-ES/cookies.html

Para Android:

http://support.google.com/android/?hl=en

Para Windows Phone:

http://www.windowsphone.com/en-us/how-to/wp7/web/changing-privacy-and-other-browser-settings

Para Blackberry:

http://docs.blackberry.com