If you see a thumbnail while in the corner of your display, click it to edit the screenshot. Or look ahead to the screenshot to avoid wasting for your desktop. You may make the floating thumbnail vanish faster by clicking and dragging it off the display screen. William Antonelli/Insider PCMag, https://picwallpaper23.pages.dev/?search=how%20to%20take%20a%20screenshot%20on%20a%20mac