| Version | Change log |
| PDF Password Protector Pro 4.0 Jun 17, 2023 | Mega 2023 release with latest PDF engine with enhanced PDF password protection, new attractive GUI interface, new installer design, enhanced license manager etc |
| PDF Password Protector Pro 3.0 Mar 29, 2022 | Mega 2022 edition supporting new Windows 11 platform. Now comes with improved PDF engine for faster PDF password protection operations. Also increased file size limit to 25 for Personal & 100 for Enterprise/Ultimate Editions. Other important fixes include Drag & Drop file issue, right click menu |
| PDF Password Protector Pro 2.0 May 18, 2021 | New 2021 edition with enhanced PDF password engine. Now it automatically remembers previous file & folder locations. Also no more confusion about license activation as each Edition is using separate license key storage |
| PDF Password Protector Pro 1.0 Sep 5, 2020 |
