PingPlotter Pro requires a license (and a license key) to run after the evaluation period has expired. 

We offer a variety of ways to purchase, including credit card, PayPal, check, money order, or via purchase order (after approval).  The very easiest way to order is with a credit card online – you’ll get a license key immediately, and you won't have to wait for your order to be processed by hand (as other methods require).

To purchase a license, visit our online order page at:

http://www.pingplotterpro.com/order.html

If you decide to mail us a check (see the order page above for a printable order form), please make sure you provide an e-mail address when sending the check.

Thank you!