To Change passwords, click the link on the landing page "Forgotten your password"
Enter your contact email address and click send
An email with a link containing a reset token will be sent to your email (if not received after 2 minutes check your spam / junk folder)
Click on the link in the email to the reset password password form
Ensure that the password rules are met
There is a check box allowing you to see your chosen password (by default these 2 boxes are NOT checked).
You can also change your password in Profile Settings, when logged into Risk Warden by clicking top right red button with your name on it and then choose Reset Password