If you have forgotten your password, select "Forgot your password?" (beneath the "Login" button).
Enter your email address and select "Recover" to receive a password-reset email. In the email, select "Click here to reset your password" and follow the instructions shown in your browser to complete the password-reset process.
The link will remain active 3 hours. If the link has expired, repeat the steps above to have the email resent.
Screenshot of SFTP password reset prompt