Add text and page numbers to the top and bottom of every page
Type "Page {page} of {pages}" into any slot. The tokens are replaced per page. You can also use {filename} and {date}.
Yes - set "First number". Use it when a document continues from another one, or combine it with "Skip the first page" so a cover page is not numbered and page 2 becomes page 1.
The built-in typefaces cover standard Western European characters. A slot using characters they cannot draw is skipped and reported, rather than being silently mangled into question marks.
Yes. The text is placed on the page as you see it, so a header lands along the top edge even when the page carries a rotation.