Choose a picture you want to use. The profile picture size can be up to 10 MB in any of the following formats: jpg, png or gif.
To upload the picture:
Click on your name in a chat or in the bottom left corner to open your profile.
Click the picture icon to the left of your name and select Choose Photo in the Set Your Avatar box.
Navigate to the picture you want to use and click Open.
Crop and center the picture to your liking and click Choose Photo. Your picture will be uploaded to your profile.