Notice:
1、Provide your steam account and password   
2、please disable the token of your steam account. the method of disable your token: login your account---click the STEAM at the top left corner---settings---account---manage   the Security settings of your steam token---shut down the token---disable the token---finish(the green shows open,otherwise close)   
3、completely logout of your steam account (pc and phone),then be online find us to activate your game and provide us your steam account and password.