The below guide will show you steps to reset your account's password.
From the login page section of the homepage, click on "Forgot password".
Input below followng information to reset your account's password:
Once you've completed inputing information, click on "RESET PASSWORD", POS Online system will send the new password in "Reset password successfully" email to your email address.
You should login into POS Online with the new password which POS Online has sent for you to update your new own password. Visit the article Change Password for more details.
If your account is the staff accounts, you should contact the admin account to reset the password for your account. Visit this article for more details: Update statuses's Staff Accounts.