The FalconSwitcher13.zip file you have requested: Tools and Utilties / Falcon Switcher 13 - 1.01mb is not available. Perhaps try browsing all files for the game Falcon 4.0 and upload any files you want to share or are missing. This is the only information we could locate:
Elephant's FalconSwitcher for having multiple installs of Falcon 4.0 on same computer. A tutorial is available on this page: Home.comcast.net.