Camtasia Recording Studio 7 is a great tool record everything on your computer, it can even be used to take screenshots.

Camtasia Studio

(1) Open the Camtasia Recording Studio
Camtasia Toolbar

(2) Next, click on the “Full Screen” button and browse to whatever you want to take a screenshot of

(3) The red “rec” button can be used to start “recording” and take a screenshot now

As you can see it’s pretty easy to take screenshots in Camtasia

If you’re still having trouble with this, post a question below