Subtitles text can be shown on software window in the following places:
Main subtitles window that is showing the whole text and the timeline display that is showing subtitles text line by line during the playback.
Here below is a sample screenshot of the main software window that shows the subtitles text locations:
(Actually this is the window of our Home Multimedia Library window, but all our programs has the same layout so Home Multimedia Library has the same components)
When playing with Mini Media Player then the timeline text is shown on the bottom of the window:
And the same goes for the Full Screen