This is the download page for PYPrime 1.x, the latest version is always recommended

Downloads:

Standard Version

CLI

PYPrime 1.9 CLI (Recommended)
PYPrime 1.8 CLI
PYPrime 1.7 CLI
PYPrime 1.6 CLI
PYPrime 1.5 CLI
PYPrime 1.4 CLI
PYPrime 1.3 CLI
PYPrime 1.2 CLI
PYPrime 1.1 CLI
PYPrime 1.0 CLI

GUI

PYPrime 1.8 GUI (Beta)