All language
x86
https://ftp.mozilla.org/pub/firefox/releases/43.0/win32/
x64
https://ftp.mozilla.org/pub/firefox/releases/43.0/win64/
Firefox 43.0 Final En-Us
x86 https://download-installer.cdn.mozilla.net/pub/firefox/releases/43.0/win32/en-US/Firefox%20Setup%2043.0.exe
x64 https://download-installer.cdn.mozilla.net/pub/firefox/releases/43.0/win64/en-US/Firefox%20Setup%2043.0.exe
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