You probably have see the adverts from Google to install their Google Pack. If not, here is one.. There are several programs contained in the Google Pack, that may also differ from Country to Country, here is the USA Version. But should you install all these applications? . . .
You could use the standard windows functionality using the Shift+PrtSc keys to capture your screen.and than start pasting and cutting away in you Graphics Program.. But what if there was an easy way to just take that part of the screen you want? Choose and Capture your own . . .