Under Page Layout - Choose Margins. Set to Normal (1" on all sides).
Under Home - Paragraph - Click tiny arrow in lower right corner - Under Spacing, Choose Double - Select box for "Don't add space between paragraphs of the same style" - Make sure "0 pt" is selected for "Before" and "After."
Go to Insert - Header - Page Numbers - Select Top of Page - Plain Number 3 - Enter last name next to page number, leaving one space between your name and the number - Close Header.
On first line, left justified, enter:
Your Name
Your Prossor's Name
The course you are writing this for
The date
Press Enter - Select Center - Type Title of the paper in regular font (do not bold, underline, italicize, or use quotation marks).
Press Enter - Press Tab to indent for your first paragraph. Remember to indent for each new paragraph.
MLA tips courtesy of OWL at Purdue