r3dfox is a modern Firefox based web browser for Windows 7. SourceForge link for downloading with older browsers. https://sourceforge.net/projects/r3dfox/
I'm not sure what the point of this issue is. If you want to help in some way, we can discuss further here. Closing though as it's not an issue with the program.
I'd like to be able to backport firefox 128 esr since it has longer support.