The computer screen rotation has the potential to enhance productivity especially in functions like programming, document editing, web surfing and PDF reading where the vertical space is more useful. In order to do it, one just need to open the Display Settings of his/her computer and switch the Display Orientation to Portrait or to Landscape. Otherwise, keyboard shortcuts such as Ctrl + Alt + Arrow keys as quick rotation are made possible by other systems. Confirm to confirm to ensure that the changes when requested to make sure that your orientation is altered appropriately. Now you've got the answer to how to rotate your computer screen.