See this TurboTax support FAQ for completing a 2018 tax return originally started with the online editions - https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-finish-a-prior-year-return-that-i-...
I tried this and it did not work. Purchased the software, etc.
What did not work?
Downloading and installing the 2018 TurboTax desktop software?
Downloading the 2018 tax data file from the online account?
Do you have a specific question?
If so, please comment so we can assist you.
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