Little-known anti-malware programs display warnings, which are often identified as false positive. Nevertheless, it is recommended to recheck the file with your antivirus software after downloading.
We do not have a download file for the latest version (13.2), but you can try downloading it from the developer's site
Download version 13.2 from the developer's website
Version: 13.2 (x86)
Date update: Oct 23, 2020
File name: PSPP_X3_TBYB.exe
Size: 247 MB
