Number each page including the first page. The page number should be a half inch from the top of the page in the upper right corner.
Click on Insert, click on Page Numbers, and click to select the first box. Double click in front of the "1" that now appears in the header in the upper right hand corner. With the cursor in front of the "1" type your last name and one space. Make sure the font is still Times New Roman and the font size is still 12.