Aside from some cloud-based features we won't be using and touch features that come into play on tablets, most things that work in Office 2010 will work in Office 2013.
If you start Word by double-clicking a document, it should look familiar. If you start Word (or another Office program) from scratch, you'll get a different look that includes examples of what can be done with the program using templates:
Just click on one of the recent files or a template file to get to the familiar tabbed screen. Here are some other Word 2013 specific resources to get you started.
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