Go to the start button then to all programs, then to accessories and then Snipping tool.
Make sure you have the window open before that. Once the window is open, open snipping tool, then Select new, then rectangular tool, then go to one of the corners of the window you want to select, hold down the left mouse button, and drag it to the opposite corner then let go. A save dialog will open. Save it where you want, and with the name you want. Then you can attach the file to the next response.