: Use the G key to delay the subtitle or the H key to speed it up (50ms increments). MPC-HC : Use F1 to decrease the delay and F2 to increase it.

Since this is a Blu-ray rip, you need a subtitle file (usually in .srt format) that matches the frame rate of the Blu-ray release (typically 23.976 fps). You can search for the exact filename on major subtitle repositories:

: Keep both files in the same folder. Most modern players like VLC Media Player or MPC-HC will then load the subtitle automatically when you open the video.