: The trial version is fully functional but adds a small watermark at the bottom of each page. Purchasing : A valid serial key can be purchased through their Official Store

: Some software providers offer subscription-based models that can be more affordable than purchasing a one-time license.

: A free trial version is available; however, PDFs created with it typically include a "PDF created with pdfFactory Pro trial version" watermark at the bottom of each page. ResearchGate Risks of Using Unauthorized Serial Keys