If a user forgets the password, it can be recovered using the 'forgot password' link on the login screen.
By clicking on this, the user can enter the email address and the password reset link will be sent to the email id associated with that User’s account.
Note: For this to work effectively,
SMTP setting has to be done for the institution in accounts panel.
An email id should be associated or added with that the respective user. If the user has added email id in their profile, he/she will be getting notification that reset link has been sent to your email as shown below.
Once the user logged in to his respective Email id, he/she will be provided with a reset link, where the user can reset the password as shown below.
For more clarifications, please watch this