Edit PDF?

Did anyone now how to edit pdf in word 2007,not in 2013 because i saw so many post but just with word 2013, i want in 2007??
Help me plz?
Answer #1
http://office.microsoft.com/en-001/word-help/edit-pdf-content-in-word-HA102903948.aspx?CTT=5&origin=HA010275433