how do i insert a line above a signature, in a letter on word?

[neisi]

I finished typing a letter, but I want to add a line above where it says
Print Name, Signature and Date, I dont know how to do it.

 

[Suzanne S. Barnhill]

Most people just use a bunch of underline characters. But see
http://word.mvps.org/FAQs/TblsFldsFms/LinesInForms.htm and especially the
forms tutorials by Dian Chapman that this article links to.