If you let me know which you are using (like VLC, Plex, or a smart TV), I can give you step-by-step instructions on how to load the file once you've downloaded it. Subtitles "Sherlock" The Abominable Bride
If you have a video file and need a standalone subtitle file (usually in .srt format), the following community-driven sites are the most reliable: Sherlock The Abominable Bride Subtitles English Download
If the timing is slightly off, you can manually adjust it in VLC using the 'H' key (to delay) or the 'G' key (to speed up) the subtitles. If you let me know which you are
Yes, in most jurisdictions. Subtitles are considered derivative text works, but fan-created or ripped subtitles for personal use of a legally owned copy fall under fair use. Redistributing the video file is illegal; the text file alone is generally tolerated. Subtitles are considered derivative text works