You can obtain a genuine activation key by purchasing the software through official channels:
Activating the software transitions it from a demo version (which only allows previews) to a fully functional tool: Stellar Repair For Access Activation Key
Once your order is confirmed, the activation key (also referred to as a registration key) is sent directly to your registered email address. Step-by-Step Activation Process You can obtain a genuine activation key by
Ensure you have an active internet connection. Click Activate to let the software verify the key with Stellar’s license server. Stellar Repair For Access Activation Key
Locate the Activation button under the "Buy Online" ribbon.
Stellar Repair for Access: Your Comprehensive Guide to Activation and Recovery
Visit the Stellar Buy Now page to choose between Professional and Technician editions.