My main pc which is about 5-6 years old could not download maps nor could I complete the device setup.
I moved to my gaming rig which is only about 2 years old and while installing Garmin Express I was asked to install .NET 3.5
After that installation and a reboot everything is working fine
Both PC's are running windows 11 and both are current however my best guess at this time is that the version of .NET 3.5 or my main PC is probably old and I am betting that Garmin Express requires a version of .NET 3.5 that was not installed. I hope this helps someone.