The Windows 8.1 Media Creation Tool is obsolete however Windows 8.1 Direct Download Links are available. You can alternatively directly install Windows 10. All activation mechanisms involving Windows 7 and Windows 8.x Keys continue to work. Windows 10 installation media will automatically input Windows 8.x OEM Product Keys during installation and there is no need to install Windows 8.x to get your free Windows 10 Upgrade. Windows 10 Version 2004 has substantial under the hood improvements which increase the system performance particularly on older hardware.
Windows 10 installation media will automatically input Windows 8.x Product Keys during installation.