First buy a cloud server as needed.

1. Purchase a cloud server and obtain the IP address and password. Generally, the administrator chooses monthly or annual subscriptions for user names. You can buy according to your own budget.

2. When you Press the key combination: windows R (Apple computer command R) on your computer to open the "Run" window. Then enter: mstsc in Run and click "OK".

3. Enter the IP and connect. Enter the username and password to confirm and log in to the virtual private server

4. Users can operate online on multiple platforms such as Cloud QuickPass APP, commercial bank APP or mobile phone manufacturer wallets. In the APP, only Search for "digital credit card" to find relevant links.

The so-called "digital credit card" is actually an "electronic credit card", which is a virtual card. After the customer successfully applies, the bank will provide a set of virtual card numbers. After activating the security code, validity period and other information, customers can bind it to the card-issuing bank's mobile banking, or bind it to UnionPay Cloud QuickPass, as well as third-party payment platforms such as Alipay and WeChat, to make quick payments.