Subtitles for the 720p YIFY release of Transformers: Age of Extinction can be found on YTS Subtitles, OpenSubtitles, and Subscene by searching for the exact filename to ensure proper synchronization. For automatic loading, the downloaded .srt file must be renamed to match the video file, with VLC offering manual synchronization via the 'G' and 'H' keys. More resources can be found on OpenSubtitles.