Home Slickdeals Xfinity Customers: Stream HBO and MAX via Xfinity Stream App Free (valid... Slickdeals Xfinity Customers: Stream HBO and MAX via Xfinity Stream App Free (valid through 10/27) By ARCOM - 26 October 2019 128 0 SHARE Facebook Twitter Go to the deal page: Xfinity Customers: Stream HBO and MAX via Xfinity Stream App Free (valid through 10/27)