Basically when you get to a section that requires you to upgrade you are told this so what ever you were entering at that time is the clue of what it triggering the upgrade.
For future reference :
If you qualify you can use one of the 10 IRS FREE FILE options to file a fed & state return for free ... but you must log in thru the IRS site :
https://www.irs.gov/filing/free-file-do-your-federal-taxes-for-free
For Filing Season 2021, you must make $72,000 or below to use one of the 10 IRS Free File partner offers.
