The developer explicitly warns against "shareware" or pirated versions found on third-party sites.
These versions often come equipped with malware added by pirates. Zerene Stacker Professional Free Download
For users seeking a completely free, high-quality alternative, developers often recommend or the open-source CombineZP . Zerene Stacker -- The Basics Zerene Stacker Professional Free Download
Entry-level for personal use; basic stacking and 30-day trials of Pro features. Same as Personal, but restricted to accredited students. Professional-Only Features Zerene Stacker Professional Free Download
Ability to copy EXIF data and other metadata directly from source images to the output.