Tom, after much searching I found a document that explains the procedure. Hope this helps:

Hello Trevor,

Thank you for your recent purchase of the Coyote ForteDXi.

Here is your registration key: xxxx-xxxxx-xxxx

*Please note that the registration key is required to run the Coyote ForteDXi after the 30 day demo period has expired.

Follow these instructions to register your copy of ForteDXi:

1. Open Band-in-a-Box, RealBand, or PowerTracks Pro Audio.

2. Open the DirectX plugins window.

To open the DirectX Plugins window in Band-in-a-Box go to Opt. | MIDI driver Setup, ensure that the 'Use DXi Synth' box is checked, and press the [DXi Synth Settings] button.

To open the DirectX Window in RealBand or PowerTracks Pro Audio, click the DXi button in the toolbar.

3. Select 'ForteDXi Plugin from the top plugin pull-down menu. The ForteDXi window will appear.

4. Right-click anywhere in the ForteDXi window and select 'Enter registration code'. Type in your registration code (3 groups of 5 digits each in the 3 boxes), and press OK.

5. Close Band-in-a-Box, RealBand, or PowerTracks Pro Audio and restart the program.

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