+ Auto-renewal: For this type, you will pay a fixed amount for the first payment to get 6 months of download, update and support from us. After that, you need to pay a small recurring fee amount to get more 6 months of download, update and support. Also, if you don't like to pay recurring fee, you can cancel it. In this case, you still use our product for lifetime
+ Standard Payment: For this type, you will pay once to get 6 months of download, update and support from us. After that, if you want to get more support, download, or upgrade, you need to buy our product again. You are recommended to choose the auto-renewal based on my experience and our customer's.