See this TurboTax support FAQ for competing estimated tax forms using the 2018 editions - https://ttlc.intuit.com/questions/1900683-how-do-i-print-estimated-tax-vouchers-for-my-2019-taxes
You can use the IRS Form 1040-ES to print and mail the payment - https://www.irs.gov/pub/irs-pdf/f1040es.pdf
Or you the IRS payment website for Direct Pay for the estimated tax payment - https://www.irs.gov/payments
