Popeye is a free program for solving and testing chess problems. It is compiled to run on variety of operating systems. The project to develop Popeye is hosted at SourceForge.
Please go to the Popeye at Sourceforge bugs page
The latest version of the software is 4.55. From this site you can download the version for Windows, along with example files.
Download – program only (Windows)
These files can also be found at the Popeye SourceForge download page. Also, binary files for other operating systems, source files and files for previous versions will be found there.