CodecInstaller is a Windows program that detect which Audio&Video codecs are installed on your system and that suggest you to install the ones necessary to correctly view the movie it is distributed with:
in fact it's designed to be burned on a CD together with a compressed video, to be always able to play them.

The users who receive the CD, with a single tool with a simple and intuitive interface, can check if the necessary codecs are already installed and up-to-date and with just a click can install the ones required.