How do I create a document from a template in Microsoft Word?

Microsoft Word offers a number of templates from which you can create documents, or you can create your own template (How do I do that?)

To create a document with your own template:

Open a new file, and in the dialogue box that appears select New from existing

In the dialogue box that appears, choose the template you wish to build your documents with.

Click on Create New and define different parts of the document you create with Styles (How do I do this?).