In a time of transition form .NET framework to .NET core, you might run into issues, which you never ha before. This is the price for open source. For example, look at following error: error APPX1706: The .winmd file 'Windows.Foundation.UniversalApiContract.winmd' contains type 'Windows.Networking...
If you want to deploy Windows Store Apps in enterprises, Windows 8 provides a concept called “Side Loading”, which is described in this article, at least. Basically, when preparing side loading, you will have to build the package, sign it and deploy it. Please note, there are several ways do side-load...