Press PrtScn to capture the entire screen
Press Alt + PrtScn to capture the active window
Press Windows + PrtScn to capture the entire screen and save it automatically
Press Windows + Shift + S to open the screen snipping tool
On Mac, press Command + Shift + 3 to capture the entire screen
On Mac, press Command + Shift + 4 to capture a selected area
On Mac, press Command + Shift + 5 to open screenshot options