Reset your password by using the Forgot Your Password link on the login screen. Enter your email address then you'll receive an email containing a password reset link to click on and create a new password.
Alternatively, if you're already logged into PredictHQ and want to change your password, follow these steps:
Go to the Change Password, the link is located under your Profile
Enter your current and new passwords
Click Save Changes
The next time you log into PredictHQ, use your new password.