When I visiting this Windows 8.1 ISO download site, it doesn't have a link to Media Creation Tool, instead, only directly download even in desktop. https://www.microsoft.com/en-us/software-download/windows8ISO
Here's in Internet Explorer 11:
In Google Chrome:
Why did Microsoft removed Media Creation Tool?
There has always been problems downloading 8.1 and making bootable media with that process.
The easiest method has been to download the 8.1 ISO and save it to the downloads folder, then use a program called RUFUS to make the Bootable USB drive.
"Create installation media for Windows 8.1"
http://windows.microsoft.com/en-us/windows-8/create-reset-refresh-media
"Download Windows 8.1"
https://www.microsoft.com/en-us/software-download/windows8
A similar Tutorial which may also assist you
"Create Installation Media for Windows 8.1"
http://winsupersite.com/windows-8/create-installation-media-windows-81
In the first screen of this very simple wizard, you need to choose the following:
Language. English – en-us if you're in the United States.
Edition. Windows 8.1 (Core), Windows 8.1 N, Windows 8.1 Pro, Windows 8.1 Pro N, or Windows 8.1 Single Language.
Architecture. 64-bit (x64 ) or 32-bit (x86).
_______________________________________
"How to Create a Bootable USB or DVD with a Windows 8 or 8.1 ISO"
http://www.eightforums.com/tutorials/2227-create-bootable-usb-dvd-windows-8-iso.html
Warning
There has always been problems downloading 8.1 and making bootable media with that process.
The easiest method has been to download the 8.1 ISO and save it to the downloads folder, then use a program called RUFUS to make the Bootable USB drive.
"Create installation media for Windows 8.1"
http://windows.microsoft.com/en-us/windows-8/create-reset-refresh-media
"Download Windows 8.1"
https://www.microsoft.com/en-us/software-download/windows8
A similar Tutorial which may also assist you
"Create Installation Media for Windows 8.1"
http://winsupersite.com/windows-8/create-installation-media-windows-81
In the first screen of this very simple wizard, you need to choose the following:
Language. English – en-us if you're in the United States.
Edition. Windows 8.1 (Core), Windows 8.1 N, Windows 8.1 Pro, Windows 8.1 Pro N, or Windows 8.1 Single Language.
Architecture. 64-bit (x64 ) or 32-bit (x86).
_______________________________________
"How to Create a Bootable USB or DVD with a Windows 8 or 8.1 ISO"
http://www.eightforums.com/tutorials/2227-create-bootable-usb-dvd-windows-8-iso.html
This will not work to install Windows 8 or 8.1 for UEFI. For that, see this tutorial below instead.
UEFI Bootable USB Flash Drive - Create in Windows
What's the problems with old process?
