Download Mozilla Firefox For Windows Xp — Professional Latest Version

While it is the "latest" for your OS, it is no longer supported with security updates and faces significant compatibility issues on the modern web due to expired security certificates as of March 2025.

: You must use the 32-bit (win32) installer. Even if you are running Windows XP Professional 64-bit, the 64-bit version of Firefox requires Windows 7 or later. While it is the "latest" for your OS,

To run this version, your hardware must meet these minimums: : Windows XP SP2 or SP3 . While it is the "latest" for your OS,

: Pentium 4 or newer with SSE2 support . If your CPU does not support SSE2, the last working version is Firefox 48.0.2. RAM : At least 512 MB (1 GB recommended). Current Limitations While it is the "latest" for your OS,