1. Click on your username in the upper right corner on the screen and select "My profile".
   
2. Click on "Edit" to change your profile information."Name", "Last name" and "E-mail" fields can be modified.
   
3. Click on "Change image" to change your profile picture. This image will appear associated with your username, for example when you publish a comment on a project. 
4. Click on "Save" to save the changes.