Press Ctrl + Alt + Down Arrow on Windows
Press Ctrl + Alt + Up Arrow to restore normal orientation on Windows
Open Display settings
Select the display you want to rotate
Find Display orientation
Choose Landscape flipped or Portrait flipped
Click Apply or Keep changes
On some laptops, use the graphics control panel to rotate the screen
On Mac, open System Settings
Go to Displays
Choose Rotation and select 180 degrees if available
On Chromebooks, open Settings
Go to Device
Open Displays
Change the orientation to 180 degrees if supported