This document introduces Windows app development using Visual Studio 2013, XAML, and C#. It provides an overview of the topics to be covered, including Windows 8, Visual Studio 2013, XAML, and C#. Visual Studio 2013 is described as a suite of tools for building powerful applications. XAML is introduced as a markup language similar to XML that is used to design user interfaces. C# is summarized as the next version of C++ that uses .NET and includes features like LINQ and delegates. Code snippets are provided to demonstrate XAML and C# syntax. The document concludes with an announcement of an upcoming demonstration.