When you insert your installation CD, you should get a message asking you to choose what you want to do.  In Windows 8, 8.1 and 10 the initial alert will look something like this:

This can take a little while, so be patient.

When you start Bell-Lingo Français and click on the Commençons button, you get the following error message:

It also says something obscure about "SplitterDistance".
This seems to occur when you shut windows down without closing the Bell-Lingo application first.  Our apologies for this error: we are working to resolve it.