After you've purchased a copy of Virtual Serial Port Driver PRO, you'll be provided with VSPD PRO registration code. The registration code will be sent to you by email.
To register the software:
1. Launch Virtual Serial Port Driver PRO.
2. Select Help > Enter registration code in the main menu.
3. In the invoked window, type the registration code you have received from us:
4. Click the "Activate" button to complete the software registration.
5. You can also click the “Activate” button in the demo remainder window that is shown at program startup.