An IRS Form 1041, U.S. Income Tax Return for Estates and Trusts is only available in the stand-alone TurboTax Business Edition, The Business Edition can only be installed on a Windows based personal computer. The Business Edition cannot be used for a personal tax return, Form 1040.
Go to this TurboTax website for the Business Edition - https://turbotax.intuit.com/small-business-taxes/cd-download/
