Check here to confirm the code for your preferred lnaguage.

After navigating into the platform directory open the directory corresponding to the language you want Firefox to use e.g for US English the correct directory is /en-US/, for British English /en-GB/ and for Canadian English /en-CA/.

For versions without EME (Encyrpted Media Extensions i.e DRM) use the directories with EME-free appended to their name.

For Mac versions use the directory: …/#version-no#/mac/.

Mozilla Firefox Latest Version 3.0 Update Mozilla Firefox Old Versions More Downloads by Mozilla. For the Firefox Snap Package use the directory: …/#version-no#/snap/ Best internet browser that is fast and more secure.For Linux 32-bit (x86) versions use the directory: …/#version-no#/linux-i686/.For Linux 64-bit (圆4) versions use the directory: …/#version-no#/linux-x86_64/.For Windows AArch64 (ARM64) versions use the directory: …/#version-no#/win64-aarch64/.For Windows 32-bit (x86) versions use the directory: …/#version-no#/win32/.

For Windows 64-bit (圆4) versions use the directory: …/#version-no#/win64/.

Directories for specific platforms (replace version-no# with the Firefox version number you want):.Directories for the Beta versions have the letter b appended at the end of their names followed by beta number e.g 89.0b1/.Directories for the ESR versions have the letters esr appended at the end of their names e.g 78.0esr/.

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