This is the example provided in the user guide for the dinbrief package. This package implements a document layout for writing letters according to the rules of DIN (Deutsches Institut für Normung, German standardisation institute).
Edit: This example now allows you to render umlauts with the typical \"a \"o \"u \ss commands if you're not working using a German keyboards (in addition to allowing ä ö ü and ß directly) - our thanks to Danny Werb for his help in setting this up.
This article aims to be a model LaTeX document while teaching you the basics of what it is and how to use it. It contains all of the basic constructs you are likely to encounter as you write your first papers and articles. This article will not go into detail about how to get started with a local installation of LaTeX.