Visuals are nice, but audio sells India. The sound of a santoor (string instrument), the khadaai of a pressure cooker whistle, the krrrr of a hand-pulled rickshaw bell. If your video has royalty-free elevator music, you have failed.
For standalone licenses, the key is generated based on your Physical Address (MAC address) . You can find this by typing getmac in your Windows Command Prompt. Powerdesigner 15.2 License Key