This auction is for a Windows 7 Professional activation key. The essential supplied is GENUINE and UNUSED. Once purchased the key will be emailed to you on the same day (generally within the hour). This key will deal with any machine with a Windows 7 install. AS SOON AS YOU ACTIVATE WINDOWS 7 YOU CAN DOWNLOAD THE FREE UPGRADE TO WINDOWS 10. We can supply guidance on the best ways to install windows onto a machine. Please note: This key is for Windows 7 Proffessional just. This activation key will not deal with house, premium or supreme versions of Windows 7. The key comes bundled with scrap PC. Thank you.