You will be redirected to PayPal (what is PayPal?) for payment when you hit the “Checkout” button. You can pay using a Credit Card or your PayPal account. eCheque payments will need to be cleared before download links are delivered to you.
After the payment, you will get redirected to a page where you will be able to download the product(s) instantly. You will also receive an email with the product download link(s).