How to purchase the Unlock code On-line. This is the fastest way to obtain the Unlock String you need for the program’s Unlock panel. We suggest you read through all the steps before you begin. 1. Download and install on the computer you will be using DART XP on. 2. Access DART XP's "Help" menu and go to the "Unlock" section. 3. Write down the Computer ID number from the Unlock panel in the program. (You must hit "Register Later" until you are ready to enter a valid unlock code). 4. Click here to select how you wish to Pay. You can pay via Paypal or our own secure purchase form. (We accept MasterCard, Visa, Discover and American Express). 5. When your credit card purchase is approved (almost immediately!) enter and "Submit" the Computer ID number you copied in step 3. 6. Within seconds we will present your Unlock Code with the E-mail address and ZIP code you entered. 7. Return to DART XP's "Help" menu and the "Unlock" section. Now you can enter your unique Unlock string (It IS case sensitive.)and E-mail address in the correct boxes. Click OK. Your full-featured DART XP is now ready to run.