Open your Word document
Select the text you want to make a heading
Go to the Home tab
In the Styles group, click a heading style such as Heading 1, Heading 2, or Heading 3
Use Heading 1 for main headings
Use Heading 2 for subheadings
Use Heading 3 for smaller sections
To change the look of a heading, right-click the heading style and choose Modify
To create a custom heading style, format the text first and then save it as a new style
To apply a heading from the keyboard, select the text and use the style shortcut if available
To remove a heading style, select the text and choose Normal from the Styles group