Step 1: Click on your Profile Picture found on the top right corner of the forum.
Step 2: Click on the red "Settings" button on the top right corner of the drop down menu.
Step 3: Click on third option - "Password" and it will open up
the section to update change/update password.
Step 4: Type in your current password, new password and confirm new password
Then press the "Update" button at the bottom to save changes.