How do I set my monitor to vertical?

0:412:13Tech Tip: How to change your monitor to portrait mode and why – YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd it’ll put a big number on there as well which a la correlate with whichever monitor is then allMoreAnd it’ll put a big number on there as well which a la correlate with whichever monitor is then all you have to do is scroll down and just under resolution it’ll have orientation.