There is no more 1040EZ or 1040A return. That was stopped many years ago. Now everyone files a full 1040 return or 1040SR if you are over 65. What year do you need to file? It is too early to file a 2025 return.
How to finish a return you started online
https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-finish-a-prior-year-return-that-i-...
If you can't get the side menus to open up to access the prior year..... You need to start entering some basic Personal Info in 2025 for the side menu to open up. Just continue a little ways into 2025.