To change your profile picture, click on your name in the top right corner of the screen, and then choose Profile from the drop down menu.
Click Edit Profile at the top right corner.
Click the Personal Photo tab to add your photo to your profile.
To add a photo, click the cloud icon, or the file button in the top left corner of the box.
This will launch the File Picker, where you can select the location of your file from the left sidebar.
The exact steps for choosing your picture will depend on the location of the file, but you will need to navigate to your file and select it. For example, if you choose Upload a file, you will click Choose file, navigate to the file on your computer, click Open, and click Upload this file.
Click Update Profile to save your new photo to your profile.
For additional support, contact firstname.lastname@example.org