https://support.mozilla.org/en-US/kb/repackaging-windows-installer
Repackage the Windows installer | Firefox for Enterprise Help
Sometimes you might need to include changes you've made to Firefox in a new installer. This document shows how to do that.
the windowsinstaller firefoxfor enterpriserepackagehelp
https://librefan.eu.org/node/233
Installer Firefox 3.5 en paquet (Ubuntu Jaunty) | Libre-Fan
installer firefoxenpaquetubuntujaunty
https://bestofvpnatacd.web.app/rittenhouse26069pes/firefox-installer-for-windows-7-723.html
Firefox installer for windows 7 vockp
for windowsfirefoxinstaller