Have you forgotten your password? You can request this again in the login screen. Under the password input field you will see a link to Forgot password?
When you click Forgot password? You will see the following screen:
Enter your username here and then click on the button Send instructions. An email is sent to the email address that is associated with the username.
Click in the email on Reset password. A new window will open in your browser. Enter a new password that meets the requirements.
If your password had been successfully changed, you will receive feedback here. You can log in again with your username and new password.