Laying Out the Page
When you create a document that will be printed, you need to tell Word how you want the page to be set up—what size paper you’re using, whether the page will be printed in landscape or in portrait orientation, the size of the margins, and so on. If the document will be printed on both sides of the paper or is going to be bound, you can tell Word to accommodate those design elements. A good template will usually set up the specifics for you, but you might need to readjust the settings a bit to get everything exactly right.
Set Up a Standard Page
On the Page Layout tab, click the Size button, and, in the gallery that appears, select ...