Released on , this version was the culmination of a decade-long transition for Mozilla. While the web was moving toward a "Quantum" era of modern, high-speed browsing, millions of legacy users were being left behind. Firefox 52.9.0 was built as the final bridge for them. 1. The Last Haven for Windows XP and Vista
Firefox version 52.9.0 ESR (Extended Support Release) is the final version of Firefox that officially supports Windows XP Windows Vista . Released on June 26, 2018 firefox version 52.9. 0 esr download
Note: 64-bit builds require Windows 7 or higher; use the 32-bit version for XP/Vista. mozilla.org Why Use Version 52.9.0 ESR? Operating System Compatibility Released on , this version was the culmination