Snipping Tool
Select the Start, type snipping tool, then select Snipping Tool from the results.
Print Screen
To capture your entire screen, simply press PrtScn button on the upper-right side of your keyboard. The screenshot will be saved to your clipboard. To save as a file, paste the screenshot into any program that allows you to insert images, like Microsoft Word or Paint.
Windows + Print Screen
To take a screenshot and automatically save the file, press the Windows Key and PrtScn key together at the same time. Your screen will go dim and a screenshot of your entire screen will be saved to your Pictures > Screenshots folder. You can retrieve it and use it from that folder.