If your version of Fable: The Lost Chapters (TLC) is missing French files, you can use community-provided packs to restore them:
Locate your game directory (usually SteamApps\common\Fable The Lost Chapters). Back up your original Fable.exe. Extract the patch files into the 'Bin' folder. patch fr fable the lost chapter
Designed for version 1.0 of the game, though it may work with later versions. If your version of Fable: The Lost Chapters