Use sparingly and only as needed; see [[Get Windows product key]] for info on how to get your key on a running Windows installation. Known good default windows keys as of 2021: Win 10 Home: YTMG3-N6DKC-DKB77-7M9GH-8HVX7       Win 10 Pro: VK7JG-NPHTM-C97JM-9MPGT-3V66T      EDIT 2023: None of these work anymore. Use the following crack- Open PowerShell as admin and enter: "irm https://get.activated.win | iex" **DO NOT** use cracks to bypass licensing requirements. Please, only use on systems sold a proper license. #os #windows #desktop