By default, your still does the old “copy to clipboard” action. But you can remap it to open the modern Snipping Tool instead.
The key is a legacy button found on most PC keyboards. Despite its name, it rarely sends an image to your printer anymore. Instead, it captures a digital image of your screen (a "screenshot") and places it on your clipboard, ready to be pasted into documents, emails, or image editors. prtscn keys