If you need the Pro features but do not want to pay $39.95 for a license (the current one-time fee for ProgDVB Pro), consider these legal alternatives:
The use of ProgDVB resetters carries significant risks for the end-user: progdvb resetter
While specific tools vary, they generally function by clearing the software's registration footprints from your system: Registry Cleaning: If you need the Pro features but do not want to pay $39