https://learn.microsoft.com/en-us/uwp/api/windows.services.store.storecontext.uninstallstorepackagebystoreidasync?view=winrt-28000
StoreContext.UninstallStorePackageByStoreIdAsync(String) Method (Windows.Services.Store) - Windows...
Uninstalls the specified downloadable content (DLC) package for the current app without displaying a notification UI dialog to the user.
windows servicesstringmethodstore