To get the most out of watching with English subtitles:

: A modern alternative that allows you to search for subtitles using the movie's IMDB ID for perfect accuracy.

the subtitle file to match the movie file's name exactly (e.g., ShutterIsland.mp4 ShutterIsland.srt VLC Media Player Open the movie in drag and drop file onto the playing video. Alternatively, use the built-in VLsub extension

If you don't want to search manually, you can use built-in tools within your media player: VLC Media Player : While the movie is playing, go to View > VLsub