macOS has been able to do portrait orientation for a long time. I used to use a Mac full time for my job and had one in portrait for code/CLI. That was back in 2012. Any monitor on the right stand is a rotating monitor.
Louis L'Amour, “To make democracy work, we must be a nation of participants, not simply observers.
One who does not vote has no right to complain.”
Visit our archived Minecraft world! | Maybe someday I'll proof read, until then deal with it.