Too late to do 2024 or prior online. You can only do the last 3 years with Turbo Tax. Online is only good for the current year. For prior years you need to buy the Desktop program. You have to buy each year separately. You can buy the last 3 years of Turbo Tax here,
https://turbotax.intuit.com/personal-taxes/past-years-products/
You will need a full Windows or Mac to install it on.
If you want to file for free and have a simple return you can get the blank forms from the IRS and fill them in by hand. I have a list of some of the basic ones I can post direct links to.