If you are looking for specific for this 720p version, you might check community-driven subtitle platforms like OpenSubtitles or Subscene, as they often host fan-made and official rips for specific file releases.
Rare scenes of her engagement to Prince Philip at Balmoral in 1946, showing her smiling and revealing her engagement ring to the camera before it was public knowledge. subtitle Elizabeth.The.Unseen.Queen.2022.720p.W...
Critics praised the film for its intimate and humanizing portrait of the monarch: If you are looking for specific for this