In the “Blender Render” window, copying image to the clipboard. Ctrl+C or under the “Image” menu, “Copy”.
Showing the progress in the title of the “Blender Render” or the Blender window. Like, “12/34 --Blender Render” or “12/34 – Blender [filename]” for animation (meaning that currently processing the 12th frame of total 34 frames". Blender currently shows Windows Taskbar button progress (green) but it is per frame, so it is difficult to check the progress whilst doing other things (Blender window is minimised, or obscured by other application window).