https://learn.microsoft.com/en-us/uwp/api/windows.services.store.storecontext.getstoreproductforcurrentappasync?view=winrt-28000
StoreContext.GetStoreProductForCurrentAppAsync Method (Windows.Services.Store) - Windows apps |...
Gets Microsoft Store listing info for the current app and provides access to a method that you can use to purchase the app for the current user.
windows servicesmethodstoreapps