Move the subtitle file into the same folder as your movie file. Rename the subtitle file so it is identical to the movie file name (excluding the extension). Movie: The.Predator.2018.720p.BluRay.x264.mp4 Subtitle: The.Predator.2018.720p.BluRay.x264.srt
Understanding the file name helps ensure you get the right subtitles: The resolution (1280x720). subtitle The.Predator.2018.720p.BluRay.x264.[YT...
The source material. BluRay rips usually have a frame rate of 23.976 fps; subtitles for "DVD" or "HDTV" sources will likely be out of sync. Move the subtitle file into the same folder
Because this is a release, you need a subtitle file that is specifically timed for that version. If the timing is off by even a second, the dialogue won't match the audio. the dialogue won't match the audio.