When the mouse cursor alterations right into a crosshair, place the crosshair in the upper still left corner of the world you want to capture. You can use different keyboard shortcuts on the Mac to take photos with the screen. The information are saved into the desktop. In macOS Mojave https://eucphotoimages21.pages.dev/?search=how%20to%20take%20a%20screenshot%20on%20a%20mac