How to Correctly Rotate Your Monitor Vertically
How to Change Screen Orientation in macOS Sonoma (14) / Ventura (13)
This page explains how to change screen orientation in macOS Sonoma (14) / Ventura (13).
1. Open "System Settings…" from the Apple menu.
2. Select "Displays".
3. Select the preferred degree of rotation from the pull the Rotation.
4. Rotate the monitor to the desired orientation.