You can either select an existing layout from the list to use as a starting point, or you can create a new numbering system from scratch. Click the multilevel numbering icon in the Paragraph group. To remove line numbers for the current paragraph only. Select the text that you want to number (this can be a section of text or the whole document).
Simply follow these steps: Display the Home tab of the ribbon. Word makes it quite simple by relying on styles for its line numbers. You might be wondering how to change the formatting of the line numbers.