The Virgin Vote: click on the nominee you want to win, then hit submit.
The Chad Choice: click on multiple nominees in the order you want them to win.
Click on the nominee you want to win most first, followed by the nominee you want to win second, etc. You can preference as many or as few nominees as you want.
Use the award list at the bottom to navigate, the arrows at the top of the page, or the arrow that appears after you click submit.