Paypal Bill Me Later Credit Line From Paypal

Paypal the payment gateway noted for its quality and service makes shopping more easy, comfortable by offering an interesting credit line service to its customers. Paypal beautifully calls it Bill Me Later
The name speaks for itself. Now, you can choose to get preapproved creditline from paypal and pay the amount at a postdate
As an introductory offer, paypal offers the following benefits
1) $10 back on your first Bill Me Later purchase of any amount.
20 No Payments + No Interest if paid in full within 6 months on purchases of $99 or more.
However, interest will be charged to your account from the purchase date if the purchase balance is not paid in full within 6 months. This is same as COSTCO AMEX offer
Where do I apply for this?
https://www.billmelater.com/cm/paypal/landers/13ppbmlACQappdd.html