The IRS won’t open Efiling until in January. Probably late January. Or you asking about the Online version? Online won’t open for a week or two, keep checking back. You can buy and install the Desktop program now.
You can buy the Desktop Download program at
TurboTax® Desktop 2023-2024 | Tax Software Download
2024 Desktop System Requirements
TurboTax® Desktop 2023-2024 System Requirements
