Windows 7 and Vista Users - Snipping Tool
If you use Windows 7 or Vista there is another way to grab screenshots by using the Snipping Tool. The Snipping Tool can capture the whole Windows Desktop or specific windows. It can also capture particular areas of the display.
To launch the Snipping Tool click the start button, point to all Programmes followed by Accessories and then click Snipping Tool. Click the down-pointing arrow next to the new button to see the snip types. There is Free-form, Rectangular, Window (the equivalent of the Alt and Print Screen) and the Full Screen (the equivalent to pressing the Print Screen) If you select the Rectangular Snip the screen will fade. Now click and hold down the left mouse button and drag in any direction to select a rectangular area which will be highlighted by a red border. Release the mouse button to make the capture.
The selected area will be displayed in the Snipping Tool window, where various options are available. Click the 'Save Snip' icon (next to the New icon) and follow the prompts to save as an HTML, JPEG, GIF, or PNG image file. Alternately copy the screen shot to the Windows Clipboard by clicking the Copy button (or pick Copy from the Edit menu)
The last two buttons on the Snipping Tool's toolbar are a pen, a highlighter and an eraser.
If you have occasion to use the Snipping Tool frequently it may be pinned to the Start Menu and be readily available.
There are also programmes available, some free and some not free, which can be downloaded and do a similar task as the snipping tool.