Here is an explanation/instruction for software usage.
1,The first step is to register.
2,The second step is to access the user center and locate the option to recharge or add coins.You can make the payment using a credit card，Debit or PayPal.
3,To upgrade to a premium membership, it only costs $4.9 per month.
4,You can download the client and log in using the account you just registered.
