@jameswirth40 If your son's laptop had it installed, then your device's installation must have been blocked by something.
For installation issues, make sure you are following these points:
Refer to What are the Windows requirements for TurboTax Desktop?
TY 2024 Link
You have the administrator rights on the profile you are installing TurboTax on
You are not trying to install on a cloud
Turn off your antivirus software and Windows Defender, before installation
If the error persists, we suggest you contact our product support by phone.
