Board Thread:Support Requests - Getting Started/@comment-36308173-20180723225052/@comment-168424-20180724005948

Go to Special:MyPage and move your mouse pointer over the right side of the profile box... an "Edit" link should appear. Click the Edit link and click the Avatar tab.

Read Help:Avatars to match the criteria before you upload.

Complain about stupid UI at Special:Contact/feedback.