Firefox 115 ESR currently at 114.32.0esr is the most current Firefox you can run on Windows 7, 8, 8.1 as Fx 116.0 to current requires Windows 10, 11 to run. Firefox 115.33.0esr in February is the last planned update unless Mozilla decides be fore then to extend updates yet again. 64-bit Firefox 115.32.0esr https://www.firefox.com/download/all/desktop-esr/win64/ 32-bit Firefox 115.32.0esr https://www.firefox.com/download/all/desktop-esr/win/ The click on language you want then click on [Download ESR 115] to download Firefox 115.32.0esr