Screen and Graphics Capture
To capture the entire screen, type Prt Scr.
To capture just the active window, type Alt + Prt Scr.
To capture any other area of the screen, type Prt Scr, then right click on the clip, click edit and use the cropper to crop out the area you want. ( Note that the editor may have reduced the image to fit. If it has, click the "True Size" button after cropping)
To capture graphics from Word or Internet Explorer, right click on the graphic (Without selecting it) and click copy.