APA requires 1 inch margins for top, bottom, right, and left. Here is how to check your document's margins in Word 2016. One inch margins will usually be selected by default.
APA asks you to use a 12 point serif font, preferably Times New Roman.
APA requires your paper be double-spaced (2.0). Click on the "Home" tab and select the "Line and Paragraph Spacing" button.