We do not have a download file for the latest version (4.0.0.326), but you can try downloading it from the developer's site
Download version 3.0 from Software Informer
Scanned by 78 antivirus programs on Aug 3, 2024.
The file is clean, see the report.
Version: 3.0 (x86)
File name: potbs_setup.exe
Size: 51.1 MB