how to make a signature under my posts?

Thanks, it worked.

Hi,
Login,
click on "Your Profile edit" (middle right)
click on "Forum" (middle left)
type your signature in "Your board signature"
click on "Save"

Good luck!

I tried to find where to add my signature, but I could not. It should be more visible if there is such a place. I found how to add a picture, but not signature. Please, help me.