From the login page, click the reset password button...

 

On this page, enter your email address and click request password...

 

Check your email inbox, you will receive an email from Buttle with a link you can use to reset your password. If the mail has not arrived after a few minutes, please check your spam folder. Please note the password reset link must be used within 10 minutes.

Click on the link in the email and enter a new password...