After you file


@crcreech wrote:

Can I do an amended return  with my 2019 Turbo tax, my 2018 Turbo Tax,  Or I need to figure out how to do that on my own?


See this TurboTax support FAQ for amending a 2018 tax return - https://ttlc.intuit.com/community/amending/help/how-do-i-amend-a-return-in-turbotax/01/27579