Windows+81+download | _best_+64+bit+media+creation+tool+link

Microsoft retains the Windows 8.1 ISO files on their servers, but accessing them requires a specific method:

Because there is no official tool to "burn" the ISO to a USB anymore, you need a utility like : windows+81+download+64+bit+media+creation+tool+link

Plug in your USB drive (Warning: This will erase all data on the drive). Open Rufus and select your USB drive under "Device." Microsoft retains the Windows 8