It makes most sense to make it a Next Page break. You place the insertion
point at the top of page 6 and insert the break.
In some versions of Word the button is labeled Link to Previous; in some it
is Same as Previous (the slash indicates either/or). If the button is pushed
in, it is on. You need to turn it off.
I used the terminology Header/Footer because you didn't specify where you
wanted the page numbers; again, the slash means "or."
You're leaving the First Page Footer empty, so you use the Show Next button
to get to the Footer to insert the page number. The "first page" in this
instance is the first page of Section 2, i.e., page 6, which is now page 1.
You seem to have very little experience dealing with headers and footers, so
I would again recommend that you read
http://sbarnhill.mvps.org/WordFAQs/HeaderFooter.htm