Keep both the video and the subtitle file in the same folder.
Because this is a GERMAN BluRay release, it typically runs at 23.976 fps . If you notice the text drifting away from the speech, ensure your player isn't forcing a different frame rate. subtitle Undine.2020.GERMAN.1080p.BluRay.x265-V...
In VLC Player, you can simply drag and drop the .srt file onto the video window while it is playing. Keep both the video and the subtitle file in the same folder
Undine.2020.GERMAN.1080p.BluRay.x265-VXT (and compatible VXT/RARBG encodes). Language: English (Full and SDH available). Reliable Sources: subtitle Undine.2020.GERMAN.1080p.BluRay.x265-V...
To provide a helpful post for the subtitle file , you should focus on ensuring compatibility and sync with this specific German BluRay release. Subtitle Details & Download Links
Find synced English subtitles on Subscene for various BluRay releases.