You can search for the specific film on OpenSubtitles or Subscene, which are community standards for these types of releases. 2. How to Load the Subtitles
Look for the exact filename on subtitle databases. The "WEB-DL" part is the most important for timing.
Once you have the .srt file, follow these steps to make it play with your movie:
If the text appears a few seconds before or after the actors speak, you can adjust the timing on the fly:
If you don't want to search manually, some players have built-in search tools: