How to activate the serial number of returning players from Westward Journey

The activation condition is to go up to level 70 and activate at 177 133 in Luoyang. The activation code can be obtained from old players. Of course, if you have a number above level 1, you can get the activation code and activate it yourself. Five online You can also receive a racial suit when you are young. If you think my answer is helpful to you, please give me a five-star thank you