They are still selling and supporting 2019 until Oct. So you should be able to download the state. Did you try updating the program first? Go up to Online-Check for Updates. And you might need to update Windows. Maybe see if the state is listed in your online account.
How to download your purchase
https://ttlc.intuit.com/community/installing/help/how-do-i-download-the-software-i-purchased-at-turb...
How to update the CD/Download Desktop program
https://ttlc.intuit.com/community/installing/help/how-do-i-update-turbotax-cd-download/00/26038
If you can’t update your Windows Turbo Tax program try doing a Manually update
https://ttlc.intuit.com/community/updating/help/manually-update-turbotax-for-windows-software-basic-...
And see Troubleshooting Installation…..
https://ttlc.intuit.com/community/troubleshooting/help/troubleshoot-installing-and-running-turbotax-...
