Click to add a TXT file,whose content is displayed in the "Subtitle content window". Click slowly any of a line, the you can modify the text of this line.
Click to set the text property.
Select either manual or auto publishing of the subtitle.
MANUAL: double click the first line in the subtitle content window to publish it.
AUTO: set the auto publishing time and the interval between two lines, then click Auto button. Then the software will automatically publish each line in the window according to the set time.