Actually, the function is there, if you fiddle around in the footer area enough. Just not obvious. (Yes, I've forgotten again how to do it, sorry, but it's there...)
It seems necessary to put in headers first, then page numbers. Trying the reverse, the headers merge with the page numbers, unless there is a way to keep them separate.
Hello I am so struggling with this. When I try to insert on my first page...meaning I want all chapters to the right (odd pages) i unlink and still it is not working