The Chief Architect trial versions can be converted to full working versions when you purchase the same version as your trial, which allows you to keep the plan you have been working on!
Your Home Designer software's Product Key is a unique identifier for your software license. You can locate yours in the Help Menu or in your digital locker.
If the registration wizard fails to locate the usb hardware lock device, check to ensure that the computer meets the software version's System Requirements. If the version is supported on the operating system, follow the instructions to download and install the appropriate driver for the device.