During the payment process you will enter your Product ID for Lightspeed.
Your Product ID is written in the registration form in Lightspeed.
Enter your Product ID for Lightspeed where it says "Please enter your Product ID here:" during the payment process.
Choose the type of license for Lightspeed that you wish to register. Choose between a Lifetime License which will entitle you to free upgrades to all new versions of Lightspeed that will ever be released, and a Standard License which will entitle you to free upgrades to all 3.x versions of Lightspeed.
Lightspeed Lifetime License - $27.95
Lightspeed Standard License - $19.95