Hi there! Not sure where to post this, so here it is. We do not have access, here in the forum, to create a signature for our forum posts. We thought, perhaps, because we hadn't posted enough, but that doesn't seem to be the issue. We see other members have signatures, so we are asking for the ability to have our own. Thank you for the help.
Weird, the Signature link should be above Contact Details, you're also missing the Personal Details link, what happens when you click them from this post?
I'm guessing there's some setting with your account that needs corrected. Probably best to email support.