http://www.GCFLearnFree.org/Word2013
The commands you will use to modify page layout and formatting are found in the Page Setup group on the Ribbon. These commands allow you to make adjustments to a page's orientation, margins, and size.
Check out the video to see some of the options for changing your page layout and formatting.
If you are interested in learning more about this topic, please visit our site at http://www.gcflearnfree.org/word2013 to view the entire tutorial on our website. It includes instructional text, informational graphics, examples, and even interactives for you to practice and apply what you've learned.