There are closed captions/subtitles in the videos in the Explore section of the SIMTICS modules, which is where you can watch the full video demonstration of the procedure.

To view the closed captions / subtitles, open the video window and click/tap the "CC" link at the bottom right of the video:

Close-up:

Note: If you are wondering about captions for the video clips in the simulations, please see this article:
​https://intercom.help/simtics/en/articles/4386187-no-sound-in-the-simulations