2018 is too old to install fully with the "Required" updates in order for it to work properly,
But 2019, 2020, and 2021 are available, and should have all updates still available...state's software too
TurboTax 2021 Prior Year Tax Prep - File Past Years' Taxes (intuit.com)
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
