Top right corner, click your picture, select Account Settings toward bottom of list.Hmm. I’m using my phone. I’ve got no left menu in my account settings.
You should always sign the bottom of your posts. That way future archeologists will know who built the fence.😌C.C. I guess I am pretty dumb, I read your heading and my first thought was why sign the bottom of the post? that's the part that goes in the ground and no one will see it anyway