DateBk 4.0b 1. Install "DateBk4 Keygen.prc" into your Palm 2. Register with any serial number 3. Goto register screen again 4. Read your own unlock key at the register field 5. Delete "DateBk4 Keygen.prc" from your Palm 6. Install the unpatched "DateBk4.prc" into Palm 7. Enter the registration code from before