Before explaining the subtitle mechanics, it is important to understand why director David Ayer chose to use un-subtitled German in certain scenes. Unlike many WWII films where German characters speak English with an accent, Fury prioritizes immersion.
Always name your downloaded subtitle file exactly the same as your video file, keeping the .srt extension. Both files must also be in the same folder for your media player to auto-detect them. fury subtitles german parts work