To access your current or prior year online tax returns sign onto the TurboTax website with the User ID you used to create the account - https://myturbotax.intuit.com/
When you sign onto your online account and land on the Tax Home web page, scroll down and click on Add a state.
This will take you back to the 2024 online tax return.
Do NOT change anything in the 2024 tax return that you filed. If you need to make any changes you will need to amend the tax return using Form 1040-X.