After you have log in to your account, click on the Purchase option, this will show you all the available packages.
2. Purchasing a Package
Let say you want to extent your subscription for another year, first, please notice the expiration date of your account, which display in your Profile's General Information section.
Click on Purchase, and select the "Subscription 12 months" Package, then click Pay now button
You can purchase your package via PayPal or your credit card; after purchasing you will be redirected you to an interface and received an email verified that you have successfully purchase the package.
After that you can see in your end of subscription date has been updated to a year, as illustrated in the image below
For other packages, please repeat the step above, but with the packages that you desired
3. Support
If you ran into any problem when purchasing packages, please contact: