The short answers are as follows:
The estate would not be required to file an income tax return (Form 1041) unless it received $600 or more in gross income for the tax year.
See https://www.irs.gov/instructions/i1041#idm140366311417136
Since you already have the desktop version of TurboTax Deluxe, I would recommend that you first make an attempt to prepare to file the final return and, if you do not feel in all respects comfortable with the procedure then I would suggest that you engage the services of a tax professional.
