To insert a Page Number into your current working document, ensure that the Insert tab is selected and then click the Page Number button (Figure 1).

Figure 1

Upon clicking the Page Number button, you will be presented with a list of position locations
(Figure 2).

Figure 2

By selecting/highlighting the desired location in which you would like to insert the Page Number, you will be presented with Simple options to choose from (Figure 3).

Figure 3

Once you have chosen from the list of Simple options, you can then format the page numbers by clicking the Page Number icon on the menu bar and then select the Format Page Numbers…
(Figure 4). You can then select your Numbering format and you can also select the Start at under the Paging numbering section. Once you have made the necessary formatting changes, select the OK button.

Figure 4