In many ways, Word 2010 in Windows is more advanced than Word 2016 on the Mac. Get used to it.

I strongly urge you to link your numbering to styles following the directions at How to create numbered headings or outline numbering in Ribbon Versions of Word by Shauna Kelly. Use a change of style to change whether or not a paragraph in numbered. You can use the attribute in the style definition, if you want, to set the style for the following paragraph.