. When a user runs the application, it displays a unique System ID derived from their hardware (CPU, MAC address, etc.). They send this ID to you, and you use the XLS Padlock Key Generator to create a key that works on that machine. Key Restrictions : When generating codes, you can set specific limitations: Expiration Dates : The key becomes invalid after a certain date. Run Limits
To activate XLS Padlock, follow these steps: xls padlock activation code