: A Pentium 4 or newer processor with SSE2 support is recommended. Download and Installation
Official downloads are no longer available on the main Firefox homepage, but can be found via Mozilla’s Archive: Navigate to the Mozilla FTP/Archive. Select the or English (GB) folder. Download the file named Firefox Setup 52.9.0esr.exe . Run the installer on your XP machine. Current Limitations & Security Risks Firefox new for an XP laptop - Mozilla Support Firefox English Windows Xp
Because Microsoft ended support for Windows XP in 2014 and Mozilla ended support for this version in 2018, using Firefox on XP today presents significant security risks. Final Version : Firefox 52.9.0 ESR. : A Pentium 4 or newer processor with