Panopreter costs $32.95, it is one-time purchase, not recurring monthly or yearly subscription fee. It is sold online by FastSpring and BMT Micro.
When you start to place an order, the machine ID is one of the required fields on the order form. It should be the machine ID of the computer on which you will activate and run Panopreter. If you input the machine id of another computer, the activation will not succeed on your computer. It is generated based on some hardware information, its only purpose is to create an activation key for a specific computer, avoid using the registration name and key to activate the software on arbitrary computers. It is not the same as the device id or product id of Microsoft Windows operating system. Here are the details about how to obtain the machine ID and input it into the order page.
As a registered user, you can upgrade to any future releases free of charge, get free technical support and free transfer the activation key to a new computer.
Activation: You will receive the activation information on the Order-Complete page after ordering, which will also be sent to you by email. To activate the software, click the menu Help-->Register Product on the software, and on the Enter Key dialog box that pops-up, manually input the activation name and key (copy and paste recommended).