To reset your myQQ password, first click on the "Forgot Password" link on the Log In screen. Once the screen to the right comes up, type in your email that you used to set up your account and tap "Submit". You will receive an email with instructions on how to reset your password at the address you entered.
Once you have received the email, click on the link provided. This will take you to a page where you will be asked to type in and confirm a new password. Once you have finished this process, your password will successfully have been changed and you can log into myQQ with your email and new password.
Are you having trouble logging into myQQ? You can visit this article for help.