2. Then in the menu bar above, find the start option.
3. Then use the mouse to select the text to be set as subtitles, and this step is completed.
4. Then find the "Style" group in the drop-down menu bar of the start menu.
5. Click the style drop-down button, and find and select the word "subtitle" in it.
6. Then you can see the page set as subtitle at the bottom of the page, and the quick style set as subtitle is completed.