These platforms usually have an "Internal Subtitle" search tool in the playback settings that can download the correct file for you automatically. 4. Fixing Sync Issues

These provide text for every line of dialogue in the film. 2. Download and Add the File

If the text appears too early or too late, you can manually adjust it in VLC: Delay subtitle by 50ms. Press 'H': Speed up subtitle by 50ms. 5. Content Warning (Parent's Guide)

Most modern players will automatically detect the subtitle if named correctly. Right-click the video while playing →right arrow Subtitle →right arrow Sub Track →right arrow select your file.