From the Home Page select Community 

select My Home Page 

select Edit my Profile

select Edit Account

on this page choose Add new Profile Photos

Then "Browse" to find the photo you want on your computer 

Be sure to check "My Profile Photo"

check "Accept Terms"

create a title

scroll down to bottom of page and click on "Add Photos"

You can do many other things with your profile from this part of the web site.   Add to your profile and tell us about yourself.