there have been multiple posts about problems installing TT 2020 on a windows 10 computer. it will not install on windows 7 or earlier. no clear indication if this is a TT or windows issue.
see if this link helps
https://ttlc.intuit.com/community/troubleshooting/help/troubleshoot-installing-and-running-turbotax-...
if not you'll need to contact TT support.
