A. the page number starts from the second page.
Insert-Page Number-Format-Do not choose to continue to the previous page-Start page number is set to 0.
Check File-Page Setup-Layout-Different First Page-so that the actual second page will be numbered 1.
B. The page number starts from any page.
If you want to compile page numbers from the actual third page, please move the cursor to the end of the second page and insert-Delimiter-section break Type-Next Page.
View-Header and Footer-Adjust the cursor to the third page, which is the page where you want to start numbering-Adjust the Link to Previous button on the header and footer toolbar to unchecked.
Insert-Page number-Format-Do not select previous page-Start page number is set to 1.