To ensure your system is secure and stable, always download the ISO from official or highly reputable sources.
: Remember that you will need a valid 25-character product key to activate Windows and access all features once you are back on the desktop. telechargement-iso-windows-8-1-entrez-dans-le-pc
With your bootable USB ready, restart your computer and enter the (usually by tapping F12, F11, or Esc during startup). Select your USB drive to launch the Windows 8.1 setup. To ensure your system is secure and stable,