Right-click the desktop
Open Display settings
Find Display orientation
Select Landscape, Portrait, Landscape (flipped), or Portrait (flipped)
Click Apply
Confirm the change if prompted
On Windows, use Ctrl + Alt + Arrow keys if enabled by your graphics driver
On macOS, open System Settings, then Displays, and choose rotation if available
On Linux, open Display settings and change the rotation option
If the screen is upside down, use the same steps to return it to Landscape
If rotation is unavailable, update your display driver or graphics settings