Steam邮箱更改问题请查看以下教程链接:https://jingyan.baidu.com/article/375c8e19d4a66d25f2a229b7.html
Steam账号密码更改问题请查看以下教程链接:https://jingyan.baidu.com/article/3f16e003f2df462591c103e7.html
Steam绑定手机号码问题请查看以下教程链接:https://jingyan.baidu.com/article/4dc40848b126cdc8d946f1b7.html