By default, nanoCAD stores its license information in specific system folders. If you need to back it up or delete it for a clean reinstallation, look in the following directory: Default Path: C:\ProgramData\Nanosoft\RegWizard\Licenses

SERVER myserver 001122334455 27000 USE_SERVER

After deleting the registry keys, re-import your original .lic file.

This article provides an exhaustive deep dive into the NanoCAD 5 license file—what it is, where to find it, how to install it, common errors, and advanced troubleshooting.

The licensing mechanism is straightforward and lightweight.