Before you can get a license file, you need a serial number tied to your account:
: Provide your details and verify your email address via an activation code. Nanocad 5 License File
Once you have installed the software and have your serial number ready, you must use the (RegWizard) to create the license file. Online Activation (Recommended) Before you can get a license file, you
Save this file on your PC, then start Registration Wizard and choose Manually activate license file option. Click Finish. How to obtain license for nanoCAD - Knowledge base Nanocad 5 License File
A license file is a critical component of software installation, as it verifies that the user has obtained the software legally and has the necessary permissions to use it.