This naming convention follows the pattern used by all XAMPP Windows releases from that era.

Do not use this on a production server or any machine exposed directly to the internet.

While modern web applications require the latest PHP 8.x environments, this specific legacy installer remains an essential tool for developers maintaining legacy web infrastructure, working on vintage operating systems like Windows XP or Windows 7, or testing vulnerabilities on historical content management systems. Key Technical Specifications

The installer will display a warning: "Important! Because XAMPP is designed for development only...". Read it carefully. It's not exaggerating. Click "OK".

As a 32-bit (win32) installer, it cannot address more than 4GB of RAM (theoretical limit ~3.5GB usable). This makes it unsuitable for high-concurrency or memory-intensive applications.