In response to the coronavirus (COVID-19) situation, Microsoft is implementing several temporary changes to our training and certification program. Learn more.This exam retires on January 31, 2021 at 11:59 PM Central Time. You will no longer be able to take the exam after this date. Learn more about upcoming exam retirements.Candidates for this exam are experienced developers who design and develop Windows 10 apps for deployment to either the Windows Store or Windows Store for Business.Candidates typically have more than two years of experience developing Windows apps using C# and XAML, in addition to experience with WPF or Silverlight for Windows Phone. Candidates should also have experience with the Model-View-ViewModel (MVVM) design pattern and Entity Framework, along with authentication technologies. Visual Studio 2015 experience is highly recommended.