Press PrtScn to capture the full screen to the clipboard
Press Windows key + PrtScn to save a full-screen screenshot to Pictures > Screenshots
Press Alt + PrtScn to capture the active window to the clipboard
Press Windows key + Shift + S to open Snipping Tool and select a screen area
Open Snipping Tool from the Start menu for more screenshot options
On some Lenovo laptops, press Fn + PrtScn if the PrtScn key is shared with another function
On some Lenovo laptops, press Fn + Windows key + PrtScn if needed for the screenshot shortcut to work