Press PrtScn to copy the entire screen to the clipboard
Press Alt + PrtScn to copy the active window to the clipboard
Press Windows key + PrtScn to save a full-screen screenshot to the PicturesScreenshots folder
Press Windows key + Shift + S to open the snipping toolbar and select an area to capture
Open Paint or another image app and paste with Ctrl + V if the screenshot was copied to the clipboard
On some laptops, press Fn + PrtScn or Fn + Windows key + PrtScn if the Print Screen key requires Fn
On Mac, press Command + Shift + 3 to capture the full screen
On Mac, press Command + Shift + 4 to capture a selected area
On Mac, press Command + Shift + 5 to open screenshot options