Final answer:
To take a screenshot of your entire screen and save it in your Pictures folder, press the Windows key + PrintScreen.
Step-by-step explanation:
To take a screenshot of your entire screen and save it as an image file in your Pictures folder, you need to press the Windows key and the PrintScreen key simultaneously.
Pressing these keys will capture the screenshot and save it automatically in the Pictures folder on your computer.
Remember to check your Pictures folder for the screenshot image file, which is typically named 'Screenshot' or 'Screenshot (1)' if there are multiple screenshots.
Learn more about Taking a screenshot