Autodesk has moved entirely to a . They no longer offer "free" permanent activations for older versions like 2019 unless you already have an active subscription.
: If you have an active subscription or educational account, you can typically download the current version and three years back Autodesk Account Free Utilities : You can download the Advance Steel 2019 Object Enabler Download Autodesk Advance Steel 2019 Free with Activation
// Code to run when shutting down