To activate ETABS 2020 with a standalone license activation key, follow these steps:
You must contact CSI support to "release" the old ID so the key can be used on the "new" hardware profile. Firewall Blocks Corporate firewalls often block the activation ports. Activation Key For Standalone License Etabs 2020
Ensure your key is specifically for ETABS 2020 . Keys for older versions (like v18) or newer ones (v21) will not work. Managing Your License To activate ETABS 2020 with a standalone license
Ensure your firewall or antivirus isn't blocking the license utility from reaching ://csiamerica.com . Activation Key For Standalone License Etabs 2020