It's unable to find/install the DisplayHDRTest App via Microsoft Store. By clicking the URL https://www.microsoft.com/store/productId/9NN1GPN70NF3 I can only get such an error page: https://www.microsoft.com/library/errorpages/smarterror.aspx?correlationId=+5UJzruCEEy/gEFf.0.2.