If you want a picture of your screen in a document, go to that screen and press the Print Screen button. A picture of the screen will be stored.
Go to your document and use Edit>paste and the picture will appear on the page.
This picture can be changed – cropped, resized, moved, etc – using the picture toolbar.
I'm here to help with those word processing problems which get in the way of your writing. There's plenty of information to download and it's a great place to share ideas. I think you'll find it useful.