The Print Screen button on your keyboard can take a screenshot and save it as a file, take a screenshot without saving it as a file, or take a screenshot of only one window (instead of the whole screen).
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The print screen button may be labeled as “PrtScn,” “PrntScrn,” “Print Scr,” or something similar. On most keyboards, the button is usually found between F12 and Scroll Lock. On laptop keyboards, you may have to press the “Function” or “Fn” key to access the Print Screen feature. When you press the key, it will look like nothing happened, but the screenshot has been saved to your clipboard.