CSO TAIWAN (台灣)
Register for an account here and fill in the details.
Your account has been created, but it has to be verified. Choose the button on the right (verify account).
Choose the mobile phone/ cell phone button. Before proceeding, take note that the call incurs a small cost to your bill since you are making an international call.
Remember to add your country’s extension before entering the number. If you need help, click here. Once the dial tone is heard, you will hear an automated woman’s voice. Wait until the recording pauses, then enter the 6-digits.
The account is verified the moment the page automatically redirects you. The verification process is finally complete.
You’re done! Download and install the game client from the official download page.
Click on the CSO logo button and the file will download.