My PC crashed and I've lost my registration details. How do I get them back?

A. Send me an email with your name and enough of your address to enable me to identify your registration details, and I'll reply with your key.

What People Say

I really love your program. It eliminates the hassle of using paper and pencil, the pencil marks feature is incredible, and strongly recommend your program to any Sudoku enthusiast. Thanks again for the many hours of solving pleasure, and the many more to come.
Jon Pruit, California
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