Win32 multilanguage: https://ftp.mozilla.org/pub/firefox/releases/47.0b8/win32/
Download en-us: https://ftp.mozilla.org/pub/firefox/releases/47.0b8/win32/en-US/Firefox%20Setup%2047.0b8.exe
Win64 multilanguage: https://ftp.mozilla.org/pub/firefox/releases/47.0b8/win64/
Download en-us: https://ftp.mozilla.org/pub/firefox/releases/47.0b8/win64/en-US/Firefox%20Setup%2047.0b8.exe