Latest offline installer of FF is at https://download-installer.cdn.mozilla.net/pub/firefox/releases/124.0/win64/en-GB/
Latest offline installer of Nightly is at
https://download-installer.cdn.mozilla.net/pub/firefox/nightly/2024/03/2024-03-18-11-05-42-mozilla-central/
Unpacked FF works on Win 8.x with downgraded
MajorOperatingSystemVersion
MajorSubsystemVersion
in firefox.exe -> Optional Header -> from A (10) to 6 with CFF Explorer.
- FF 124a1 is ready for Win 7, also!
- FF Nightly 32bit 125.0a1 works on Win 7. BLYATIFUL!
- Use 124a1/125a1, it is compiled with MozBuild. Patches are the same as for r3dfox (ex vyvfox).
- Package got no updater nor maintenance service.
Do step 1 i 2 (with --vsc=git flag) from https://firefox-source-docs.mozilla.org/setup/windows_build.html ,
apply "patch -p1 < github.patch", solve errors for .orig/.rej files (use ff125fix.7z), disable artifact build and/or i686 arch in mozconfig,
then "./mach build" and "./mach run", also "./mach package".