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

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(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