To change profile picture and set up Avatar, click on your profile picture and click on “change icon” on your profile page as below.
Continue as follows:
In change icon window you can upload a custom profile picture or select a ready made profile picture. You can even create your own Avatar.
To upload a custom profile picture from your computer, click ‘Local Picture’ and select a picture from your computer and click ok.
To select a ready made profile picture, click ‘System Profile Pictures’ and select a picture from the menu and click ok.