I have written a rather large document for school, about 40 pages with main chapters and subchapters that are marked via Heading 1 and 2, respectfully. My teacher wants them numbered as well and I know it can be done with just couple of clicks of the mouse button but I can't seem to find it.



Am using Word 2016. Can anyone help me out here?

Change your heading styles linking them to multi-level numbering.
How to create numbered headings or outline numbering in Ribbon Versions of Word by Shauna Kelly
It is more than a couple of mouse clicks but not that difficult.