Select the arrow to the right of your Profile image circle.
Select 'Profile' from the drop-down list to open your Profile Dashboard.
Look for User Details and select 'Edit profile.'
Scroll down the page and look for the New picture area in the User picture section. You can click on the 'Add' icon or just drag-and-drop your image into the space.
Start with a
small image (jpeg or png only) as the profile picture
will be resized to a 100x100 pixel square.