You can contact the author of Virtual Belfry (Doug Nichols) by the means listed below - preferably by email.

When doing so, please include the licence key that was provided with your copy of the program.

Email

Send an email to doug@belfryware.com.

Phone

The author (who lives in Australia, local time 9 to 11 hours ahead of GMT) can be contacted by telephone on +61 431 914 478.