1. You must have a VPN so that you can go to the external game Battle.net, prepare a UnionPay credit card, and then use the MYCARD method to purchase the Call of Duty 16 game on the external Battle.net.

2. How to access the international server of Battle.net via web search requires changing a document. You can then transfer the data, but the speed is still better. You need to register an account again. You can use the same email address as your Chinese server game. Overseas Battle.net is full of violence

3. First, we need an international Battle.net account, enter the account password, and choose Hong Kong as the region.