How to change Admin password

Hello
i am a new Admin person for a website. i have been given an Admin password.
After i have login for the first time. there is no option to change password.
what is the best way to change password - change to something easier for me to remember.

thank you so much
Fion

Go to the Administrator Info tab on the admin console:
support.toastmastersclubs.org/doc/item/administrator-info