End note X7 and Word 2008

How can I use cite while write with End Note X7 and Word 2008?

You need a how to guide?  Here is one I googled,  http://www.scripps.edu/library/open/instruction/ENX7cwywguide2011.pdf

or are you haveing a glitch?  for example see here if you are experiencing a COM error:  http://endnote.com/kb/106559 

Greetings ivana_barreto,

To be able to load a third-party add-in like EndNote’s Cite While You Write commands within Word 2008, make sure you’re running Word 2008 version 12.1.0 or higher: