Tax year 2019 will not complete until after 12/31/2019. The TurboTax 2019 tax software will not be available until mid-November 2019 for the desktop editions and in early December 2019 for the online editions.
For 2019 estimated taxes on a Form 1040-ES, see this TurboTax support FAQ - https://ttlc.intuit.com/questions/2584228-can-turbotax-calculate-next-year-s-federal-estimated-taxes
