You’re probably aware that the Print Screen captures a screenshot and stores it in the clipboard. What you may not know is that Win + Print Screen also captures a screenshot and saves it in Pictures\Screenshots. When you press the key combination, the screen will dim for a second. Man, you learn something new everyday.
Additionally if you’re looking for more control over taking screenshots, the awesome Snipping Tool has been in Windows since Windows 7. Snipping tool allows for free-form, window or full screen captures.