The tax year being reported in 2024 is tax year 2023.
You can purchase and download one of the 2023 TurboTax desktop CD/Download editions from this website - https://turbotax.intuit.com/personal-taxes/cd-download/
You can also purchase the CD/download from various retailers such as Costco, Amazon, Walmart, Best Buy, Staples, Sam’s Club, etc. etc. etc.
This link Where can I obtain authentic TurboTax software? has a list of authorized TurboTax resellers.