DX Monitor is shareware. In order to encourage further development of the program, you are encouraged to register your copy. Registration will entitle you to the unlimited use of DX Monitor on multiple computers and free updates of the program when they become available. Once payment is confirmed, you will receive a serial number by email which will be needed to unlock the program after the 30 day trial period expires.
If you have already paid, but lost your serial number:
Click here to request a reminder.