You can use headers and footers to set specific text to appear at the top and bottom of each page of the document, without the need to type it on each page manually.
To add a header or footer to the document:
Click on the Insert menu
Choose Headers and Footers
Choose Header or Footer as required
Type the text to appear at the top or bottom of each page, above or below the grey line, then click back in the main part of the document when complete
Check the box to set a Different first page header or footer
Click on the Options link drop-down arrow for more options.
Choose Header Format to set the distance between the header/footer text and the edge of the page
Choose Page Numbers to add a page number (see below)
Choose Remove header or Remove footer to remove the header or footer
To insert page numbers:
Click on the Insert menu
Choose Page numbers
Choose the position of the page number and whether to start numbering from the first or second page of the document