install both
Have all of the following installed.
.NET Core 3.1 Desktop Runtime x86 Link
.NET Core 3.1 Desktop Runtime x64 Link
.NET Core Current Runtime x86 Link
.NET Core Current Runtime x64 Link
.NET Framework (get latest) Link
(Both x86 and x64 of the .Net Core MUST be installed)
Reboot PC when done.
I did what you said and it's still not working.