It is not at all hard to take a screenshot in Hearthstone, all you need to do is press the PRINT SCRN  button on the keyboard of your system. Mostly, the tricky part of taking a screenshot is that the users do not know where those screenshots end up. Fortunately, Save Locations is here to assist you and give answers to all of your such questions. To get assistance with your operating systems, see below:

Hitting the PRINT SCRN button on your keyboard whilst playing Hearthstone will make the game take and save a picture. That’s great, but where does that picture end up? On both Windows and Mac, the answer to that question is your desktop.

You heard that correctly: Hearthstone saves your in-game screenshots to your desktop. It really isn’t the best of places as you’ll need to move the screenshots to another folder to avoid things getting cluttered.