When you enter a password on some website in Internet Explorer, it prompts you to store the password for further use. Once you have allowed Internet Explorer to store your password, it will fill the user name and password fields automatically the next time you visit that page again. For security and safety reasons you might prefer to not store your passwords and disable the save password prompt completely in Internet Explorer 11. Here is how you can turn it off.
According to Win8China, Internet Explorer 11 is currently in development and will be included in the next major update to Windows named "Windows 8.1" (aka 'Blue') that is expected to be released this summer.