To insert page numbers without it showing on the first page of a specific section:

1. Navigate to the section you want the page numbers to start from.
2. In the ribbon, click on the Insert tab > Page Number icon.
3. Choose the setting you want for the page number, such as top or bottom and whether or not you want it to be visible on the first page of the section.
4. Click the formatting option that you want to use.
5. Click OK.