If you have already saved the 16 digit setup code, things will be easier.
1. Open the Google Authenticator app,
[2FA PC App]
Click the pen icon for PC App, then choose [+] icon, then choose [Manual Entry] and enter the 16 digit key, then click OK.
[2FA Mobile App]
Tap the [+] icon at the bottom of the screen, select [Enter a setup key], enter the 16 digit setup key. Then click [Add]
Now a 6-digit code will appear on the Google Authenticator app. Enter these 6-digit code then tap [Verify]
The 6-digit code displayed on the two-factor authentication app changes every 30 seconds. If the code cannot be entered within 30 seconds, the message ""Invalid authentication code"" will be displayed.
After 30 seconds, a new 6-digit code will be displayed, please choose it if you miss the first time.
If you have further inquiries, please don't hesitate to contact our Support Team via "Contact Us" function.