Bonjour is Apple’s implementation of Zero Configuration Networking (Zeroconf). It allows devices and software applications to automatically discover each other on a local network without the user needing to configure IP addresses or DNS servers.
Use native Windows network discovery or upgrade to a modern AirPrint/Chromecast setup instead. Bonjour 3.1.0.1 Download
| Feature | Bonjour 3.1.0.1 | Bonjour 4.2+ (via iCloud for Windows) | |---------|----------------|----------------------------------------| | | ✅ Full | ❌ Requires patches, unstable | | AirPlay 2 | ❌ No | ✅ Yes | | Memory Usage | ~12 MB | ~28 MB | | Digital Signing | SHA-1 (deprecated) | SHA-256 | | Automatic Updates | No | Yes (through Apple Software Update) | | Printing via IPP | Basic | Enhanced with Bonjour Sleep Proxy | | Security (CVE-2021-1879) | Vulnerable (patch available separately) | Fixed | | Feature | Bonjour 3
The is a reliable workhorse for older Windows networks and legacy Apple services. While it lacks modern security and AirPlay 2, it excels in stability on Windows 7/8 and low-resource environments. Bonjour 3.1.0.1 Download
Use Microsoft’s msizap tool or re-download the exact same Bonjour version to provide the source.