In a new blank document:

1. Click Home, and in the Paragraph group, click the Home, and in the Paragraph group, click the Multilevel List icon .
   
   
   
2. Pick the list style you want or click Define New Number Format to create a list style that is specific to your needs.
   
   
3. Start typing. Each paragraph will be numbered.
   
   
4. To create subparagraphs, press Tab to indent the subparagraph and begin typing. The subparagraphs will be numbered based on the format you chose in step 2.