manage endnote 7 document with endnote X4

I have a document which I wrote using endnote 7 and Word 2003 which I would now like to  edit using Word 2007 and endnote x4.

I have access to the original libraries.

How should I proceed?

please just ask the question once.  I am deleting this reply. please delete you question here.  I answered the other version.