Let’s be honest. If you look down at your keyboard right now, there’s probably a key you’ve ignored for years. It sits quietly in the upper right-hand corner, next to the dramatic Scroll Lock and the mysterious Pause/Break.

So, tomorrow morning, when you sit down with your coffee, look at your keyboard. Find that dusty PrtScn key. Press Win + Shift + S . And finally see the world in high resolution.

It was literal. It was mechanical. It was loud.

Believe it or not, the name isn't a typo. Back in the days of MS-DOS (the 1980s), the key worked exactly as advertised. When you pressed PrtScr , the computer would dump the entire contents of the text-based screen directly to your printer. If you had a dot-matrix printer, you’d get a physical, paper copy of your command prompt.

If you go to (or just search "Print Screen"), you can flip a switch that changes the key’s behavior forever.