To use the software, you must have a physical security key (dongle) , usually a red USB stick, plugged into your computer.
Since EZCAD3 is proprietary software developed by , you cannot simply download a valid key from a third-party website. You must obtain it through official channels: ezcad3 license key 2021
You must use the license manager x64.exe found in your installation folder to activate the software. How to Obtain a 2021/Current License Key To use the software, you must have a