It is easy to take a screen shot on any item displayed on the computer monitor or screen.
- Press on the Windows button (that is between Control and Alt buttons on the lower right side of the keyboard) plus the Prt sc (Print Screen button) that is located between F12 and the Delete buttons.
Location of the print screen button on the computer keyboard 
Location of the windows button on the computer keyboard - To access the captured screen shot, my pictures on your computer followed by screen shots.
How to rotate a computer display, how to rotate inverted computer screen/ Display
