textpad_eng540 silent install + full license

[slickuser]

I have a paid license key for multiple users.
How do I apply the license key during the silent installation?

I look at this forum, but I cannot get it to work. It installed fine but not sure how I put in my full license key.
http://www.msfn.org/board/topic/17602-textpad-472/


textpad_eng540.exe /S /v/qn