Answer: Just run the Foxhound InstallShield setup you have received. You should see this dialog box:

When the InstallShield process reaches the end, click on the Post-Setup button to continue the installation. This part is critical; if you don't let the post-setup process run, Foxhound won't be fully installed:

This is what the post-setup process for a new installation looks like:

See also...
How do I install a new version of Foxhound?
How do I reinstall Foxhound?
Another version of this product is already installed.
Why is it called "unsetup" instead of "uninstall"?
How do I remove Foxhound from my system?