Functionality description:

Demo version of CM3 signalled the beginning of new era of football management games, which changed lives of hundreds of CM fans of the time all around the world. The demo version of CM3 allows to manage English clubs from five divisions. Additional 14 quickstarts are available for download. As usual, the time of career in demo version is restricted to six months, which is enough though to recall the first version of the legendary CM3 series.

Installation manual:

Run cm3demo.exe, select the directory to which you want to install the game, and then click "Unzip".
When the installation is complete, readme file will appear. Close the file and enjoy the game.