This version is associated with the transition period from PDFpenPro to Nitro and is no longer the current version (latest is v14+ in 2025/2026).
8 Aug 2022 — It will ask for your PDFPen Pro registration info and you should be good to go. You supply you r email address and ask that Nitro/ TidBITS Talk Nitro PDF Pro Essentials 13.3.0
✅ Often praised for a clean, Ribbon-style interface similar to Microsoft Office. This version is associated with the transition period
To give you the most relevant information, are you asking about this version because you are: from an old PDFpen license? Experiencing technical issues with a 13.3.0 installation? Considering a purchase of a "lifetime/perpetual" license? Let me know so I can help with specific advice! Nitro PDF Pro and PDF Pro Essentials 13.3 - TidBITS Talk To give you the most relevant information, are
While it offered essential tools, users looking for the most modern features, enhanced OCR, and better performance generally moved to version 14. Pros & Cons Reported for Nitro Pro 13-14 Era (2022-2025)