Capture-A-ScreenShot is a simple to use free screen capture software tool that captures screenshots. Capture a screenshot of the entire computer screen, last active screen, or selected area with a click of a button. This freeware screen capture tool will make it easy to grab a screenshot of computer screen images. Easily name and rename your computer screen images with this copy screen software. Select to take a screenshot of the full screen or active screen simply by placing a checkmark within the options, as this free screen capture tool does not have a timed screen capture feature.