What’s new on the ribbon
The new Design tab in Word 2013 makes it easier to use themes, styles, and other formatting features and to understand how they relate to one another.
You can easily customize the ribbon to suit your needs by creating new tabs and filling them with the commands you use the most. To begin customizing ribbon commands, click File > Options > Customize Ribbon.
Sign in to Office
Work whenever and wherever you want. By signing in to Microsoft Office, you can safely get to your Office files from anywhere.
Look for your name at the top right corner of the ribbon. After you sign in, you can update your profile or switch accounts from here.