From the Dashboard, navigate to USERS found on the left-hand side of the screen.
Click on ALL USERS to access users of the WordPress site.
Once the ALL USERS option is clicked on, the Users General Page will be shown.
Click on EDIT under the user’s name to go to the PROFILE EDIT PAGE.
When editing your own profile, click on the user name on the upper right corner. There is an EDIT MY PROFILE button that allows you to change your profile.
Scroll down to the bottom of the page until you see the section to change the password. Type in the NEW PASSWORD field the password. It should be composed of words and numbers for greater security.
After changing the password, be sure to click UPDATE PROFILE. WordPress will give notification that password has been changed.