Find the folder or file where your paper is located and open it in word.

2. Find the main menu bar and click the "Style" option menu where the "Start" menu is located, that is, the arrow symbol in the lower right corner. A rectangular box with many options will pop up.

3. Use the mouse to point to the option' title1',and a triangle will be displayed later. Click the triangle, and then click the Modify option. Enter the modification format options for the text paragraph.

4. Click the format in the lower left corner. There are many options for changing fonts and paragraphs. You can set the font and paragraphs of the paper according to your own requirements and preferences.

5. After setting the text and other requirements, you will return to the previous interface, and then click OK.

6. Then stop the mouse cursor at the place where you want to set the title 1, and then click the' title 1' just set. It was set successfully.