Short answer: Use your deviceโs built-in shortcut.
Windows 10
- ๐ผ๏ธ Win + PrtScn (laptops: Fn + Win + PrtScn) โ saves to Pictures/Screenshots (full screen).
- ๐ Ctrl + PrtScn โ open Paint โ Ctrl + V โ save.
macOS
- ๐ฅ๏ธ Shift + Cmd + 3 = full screen.
- โ๏ธ Shift + Cmd + 4 = selection (press Space to capture a window).
- ๐๏ธ Shift + Cmd + 5 = toolbar (options/recording).
iPhone
- ๐ฑ Side + Volume Up (with Home button: Home + Side/Top).
Android (incl. Samsung)
- ๐ค Power + Volume Down (with physical Home: Power + Home).
๐ก Tip: Crop or blur sensitive info before sharing.