You will need
  • — computer or laptop
  • — operating system: Windows
Minimize all Windows to see desktop.
Right-click your mouse in the desktop space, the pop-up menu select "Properties".
Opens the properties dialog box of the screen. At the top, select the tab "customize". You will see the current screen resolution (e.g. 1280x1024 pixels) and color palette (e.g. True Color 32 bit). Thus, for your screen fit the picture format that is 1280x1024 pixels, and movie it is best to choose as 720p (1280x720 pixels).