Whether you privation to usage leafage numbers to separate betwixt a novel's preface and main body, a dissertation's instauration and chapters, oregon a textbook's contented and index, utilizing Microsoft Word's Section Breaks instrumentality is the mode to go.
All the screenshots successful this nonfiction show non-printing characters, arsenic activating these makes knowing the document's operation overmuch easier. To make the aforesaid setup successful your Word document, property Ctrl+Shift+8, oregon click the pilcrow icon ("¶") successful the Paragraph radical of the Home tab connected the ribbon.
Let's accidental you've finished penning an world paper, and you privation to adhd antithetic leafage numbering systems to each of the 3 sections:
- For the instauration (section 1), you privation your leafage numbers to beryllium capitalized Roman numerals (I, II, III...).
- For the main assemblage (section 2), you privation the pages to beryllium numbered with Arabic numbers (1, 2, 3...).
- For the decision (section 3), you privation to usage lowercase Roman numerals (i, ii, iii...).
What's more, astatine the commencement of each section, you privation the leafage numbering to restart astatine 1.

Related
8 Must-Use Word Features for Academic Documents
Leave nary chromatic unturned, acknowledgment to Microsoft Word.
Here's however you tin bash this.
Step 1: Insert Section Breaks
First, determination needs to beryllium a Section Break betwixt each section. If you don't already person these successful place, determination your cursor to the extremity of the introduction, and successful the Layout tab connected the ribbon, click Breaks > Next Page.

This creates a hard obstruction betwixt the instauration and the main body, and moves the commencement of the main assemblage onto the adjacent page.
This process whitethorn spot an other bare enactment astatine the commencement of your main body, which you tin region by pressing Delete.

Now, repetition this process astatine the extremity of the main assemblage to abstracted it from the conclusion.

Step 2: Unlink the Sections
At the moment, adjacent though you've added Section Breaks betwixt each portion of your work, their headers and footers are inactive linked. This means that if you insert leafage numbers now, each section's leafage numbers volition proceed from the erstwhile section's leafage numbers. So, the adjacent measurement involves breaking this connection.
In this guide, I'm utilizing the leafage headers for my leafage numbers. However, if you privation the leafage numbers to spell successful the footers, travel the aforesaid steps, but immoderate clip you spot maine doing thing successful the header, bash it successful the footer instead.
First, double-click the header country of the main body's archetypal leafage to activate it, and successful the Header And Footer tab connected the ribbon, click "Link To Previous" to deselect it.

Next, bash the aforesaid successful the header of the archetypal leafage of the conclusion.

Step 3: Add and Format the Page Numbers
Now that you've unlinked each section's header, it's clip to insert and modify the leafage numbers.

Related
How to Work with Page Numbers successful Microsoft Word
Microsoft Word offers an casual mode to adhd antithetic styles of leafage numbers to your document.
Head backmost to the commencement of your document, and double-click the header of the archetypal leafage of your introduction. Then, successful the Header And Footer tab connected the ribbon, click "Page Number," and hover implicit "Top Of Page" (or "Bottom Of Page" if you're putting the leafage numbers successful the footer).

There, prime the numbering style. Personally, I similar utilizing the plain, centrally-aligned style.

Because you privation the introduction's leafage numbering to beryllium capitalized Roman numerals, grow the "Page Number" drop-down paper again, but this time, click "Format Page Numbers."

Then, successful the Number Format tract of the Page Number Format dialog box, take "I, II, III..." and click "OK."

Now, scroll done your instauration to spot that each leafage successful this conception follows this caller numbering format. When you scope the main body, you'll announcement that those pages aren't numbered, due to the fact that you unlinked the sections earlier.
So, to adhd leafage numbers to this section, travel the aforesaid process arsenic erstwhile you added leafage numbers to the erstwhile section:
- Double-click the header of the main body's archetypal page.
- Click "Page Number" successful the Headers And Footers tab.
- Hover implicit "Top Of Page."
- Select the fig style.
By default, Word uses the Arabic numbering style, which matches what you privation to usage for the main assemblage of your dissertation. However, you inactive request to alteration the settings truthful that the number restarts astatine 1.

To execute this, double-click the header of the main body's archetypal page, and reopen the Page Number Format dialog container via Page Number > Format Page Numbers. Then, successful the dialog box, cheque "Start At" to automatically adhd the fig 1 to the Start At field, and click "OK."

Now, adjacent though the instauration is numbered utilizing capitalized Roman numerals, the main assemblage (section 2) is numbered with Arabic digits, and restarts astatine 1.

Finally, you request to alteration the conclusion's leafage numbering to lowercase Roman numerals, and commencement the number from 1 erstwhile again:
- Double-click the header of the conclusion's archetypal page.
- Click "Page Number" successful the Headers And Footers tab.
- Hover implicit "Top Of Page."
- Select the fig style.
- Click "Page Number" successful the Headers And Footers tab again, but this time, take "Format Page Numbers."
In the Page Number Format dialog box, alteration the Number Format enactment to "i, ii, iii," and cheque the "Start At" vigor button. Then, click "OK."

Now, the introduction's pages are numbered I, II, III, and truthful on, the main body's pages are numbered 1, 2, 3, and truthful on, and the conclusion's pages are numbered i, ii, iii, and truthful on.
See the leafage numbers astatine a glimpse successful Word's Navigation Pane, which you tin show by checking "Navigation Pane" successful the View tab connected the ribbon, and past clicking "Pages" successful the pane itself.