Press Ctrl + Alt + Down Arrow
On Windows, right-click the desktop and select Display settings
Select the display you want to rotate
Find Display orientation
Choose Landscape (flipped) or Portrait (flipped)
Click Apply
Confirm the change if prompted
On some PCs, use the graphics control panel to rotate the screen
In Intel Graphics Command Center, open Display and set Rotation to 180 degrees
In NVIDIA Control Panel, open Rotate display and select 180 degrees
In AMD Software, open Display and set Rotation to 180 degrees