How to Save a Document the First Time in Word 2013
Choose a location for the document.
Chose the Computer item to create and save the document on your own computer.
The SkyDrive item saves the file on your Windows SkyDrive, if you’ve set up and configured that feature. The advantage is that your document will be available anywhere you have an Internet access. The disadvantage is that the document is not available when you don’t have Internet access.