Zebra does not provide "free" license keys for the Professional edition. Keys must be purchased through authorized channels:
To activate or manage a ZebraDesigner Professional license key, you must use the software's built-in activation tools or contact authorized support. Note that Zebra has recently migrated its licensing platform, which may require you to replace older 18-digit keys with new 32-digit versions. Zebra Technologies How to Activate ZebraDesigner Professional 3 zebra designer pro license key
: Most keys are delivered electronically via email within 24–48 hours, though physical license cards are also available. Key Activation Requirements Zebra does not provide "free" license keys for
Open the software, navigate to the Help menu, and select About . navigate to the Help menu