You couldn't have said it more self contradictory. If you don't know where the pic ends up you most definitely do not know how to take screen captures, matey
One method is you hit Print Screen to capture, the pic is stored in the clipboard, then use the Paste function is some photo software to view it and save it.
That's what I've been trying to figure out the last half hour myself..
Here is the correct question format: "Post the link to the site that lets you test your connection and prints the info". Which was of course posted on page one, if you had enough sense to look there you would already know that.