Click aligning right Icon which located on the toolbar. Most headers must have their text aligned to the right change this if needed. Type your text you want to place in your header. Now move your cursor to the bottom of the page where the footer box is located and click. Click the align center Icon which is located on the toolbar.
Most documents require that the paper numbers be centered.
If this not the case choose your correct alignment. A number will appear and will automatically be placed by word in order. Then click on view menu and select normal. To See How. When finished use the browser back button to return to the previous page.