Administrators have the ability to customize the login, help, and login help UI for their instance. To make changes to the Login settings, select Company Settings → Password & Login Policy Settings.
Forgotten Password Policy Settings
Enable the forgot password feature and select the option for resetting the user's password without admin intervention. By enabling this feature, users will be able to reset their password by:
Receiving a link to reset their password via the e-mail associated with their login ID. Additionally, you may permit users to provide an e-mail to send the password link to.
Resetting the password by answering security questions prior to providing a link to reset their password via the e-mail associated with their login.
Resetting the password by answering security questions prior to providing a link to reset their password. This option redirects users to the security question page to reset their password after answering the security questions correctly.
To create security questions for the user to respond to, select the Manage security questions link.
Other options to adjust password policy settings

With option 1 Set Welcome Password and Reset Password link expiration (in days) Expiration can be up to 30 days, please enter a value between 1 and 30. Changing this setting will affect all links that have yet to expire.
With option 2 Password Expiration for Long-Time Unused Passwords (in years) This option is to expire passwords that have not been used to log in to the system longer than the number of years that you select from the dropdown. To disable this option, choose N/A.
With option 3 Enable CAPTCHA for the Forgot Password page Specify how many consecutive attempts of sending resetting password emails from the Forgot Password page are allowed within one minute before the system prompts a CAPTCHA. Select a number from the dropdown. To disable this option, choose N/A.