This article will explain how to update your Salesforce user profile.
\uD83D\uDCD8 Instructions
In the top right corner of the platform, CLICK on the avatar and then your NAME.
CLICK the camera icon on the circle to the left of your name, then CLICK ‘Update photo’. Then, CLICK the photo icon of the right to change your header photo.
Use the pencil icon to tell your colleagues a little about you!