To login to myQQ, either enter your previously set up email and password or tap the Google button to sign in using a google account. Use the sign in screen provided and enter your credentials and then tap "Log In".
Are you having trouble remembering your password? For information on how to reset your password, please see this article.
If you have signed up or created your membership in store and have never created or linked your account to My QQ before; please go to myQQ and create a login under “sign up”. Then you can link your existing account to myQQ.