If you're building a game, one of the main decisions you have to make is how to monetize your app. With the growing freemium economic strategy, a simple way to make some money is to display ads in your application. And you can do so in your Windows 8.1 apps using the Microsoft Advertising SDK for Windows 8.1.
Get started by integrating the SDK from within Visual Studio 2013, design ads into your apps, and stay up-to-date with the latest developments. For more information, visit the product site. Roughly 50 percent of the revenue brought in on the Windows platform is through the Microsoft Ads SDK! Find out more, in this Quick Start Challenge.