You have 3 options to take a screenshot: Whole screen: Command + Shift + 3 Selection of screen: Command + Shift + 4 Active window: Command + Shit + 4 and then S

You have 3 options to take a screenshot: Whole screen: Command + Shift + 3 Selection of screen: Command + Shift + 4 Active window: Command + Shit + 4 and then Space Bar