If the thing is a thumbnail inside the corner of one's monitor, click on it to edit the screenshot. Or look ahead to the screenshot to save lots of on your desktop. You can make the floating thumbnail disappear speedier by clicking and dragging it from the monitor. William Antonelli/Insider https://jonaphotoimages30.pages.dev/?search=how%20to%20take%20a%20screenshot%20on%20a%20mac