Click Settings
Under Personal Settings click User Profile
Scroll down to the password section and click edit
Enter your current password and your new one
Click Save
Your new password must include:
At least 12 characters
At least 1 number
At least 1 uppercase character
At least 1 lowercase character
At least 1 symbol
Additional Information:
You will need to know your current password to follow these steps. If you do not know your current password, follow the steps outlined here to change it.