sorry you have forfeited any refunds due you for the years 2008-2020 because they were not timely filed. the same is true for 2021 unless you filed a valid extension. then you have until 10/15 /25
as to filing 2021,if valid, and 2022 and 2023 requires a compatible computer and the desktop app
https://turbotax.intuit.com/personal-taxes/past-years-products/
2024 can be done online or using the desktop app
https://turbotax.intuit.com/ online
https://turbotax.intuit.com/personal-taxes/cd-download/deluxe.jsp desktop
system requirements
TurboTax® Desktop 2024-2025 System Requirements
