Windows 10 Enterprise Activation Guide

This is how to download the Windows 10 Enterprise ISO using the Windows 10 Media Creation Tool.
Download the Media Creation Tool
Launch PowerShell
Launch PowerShell and set the directory path to the folder containing the Media Creation Tool, presumably the downloads folder.
For example: C:\Users\Username>Downloads
Whereby Username is replaced with your PC username.
Enter PowerShell command
In the PowerShell window, copy and paste the command below and hit Enter to execute.
MediaCreationTool21H2.exe /Eula Accept /Retail /MediaArch x64 /MediaLangCode en-US /MediaEdition Enterprise
The MediaArch x64 argument specifies 64 bit, if you require 32 bit simply change this argument to Media Arch x86.
The MediaLangCode en-US argument specifies the language, in this case it is English for US, if you require a different language simply change the language and region tag.
A full list of available languages can be found here: https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/available-language-packs-for-windows?view=windows-10
UAC Prompt
Click Yes on the UAC prompt to confirm the code execution.
Enter Windows 10 Enterprise product key
On the next window you should be asked to enter a product key, enter a Windows 10 Enterprise product key to continue.
What do you want to do?
Select Create installation media for another PC.
Choose which media to use
Select the radio button for ISO File and click Next.
Download begins
The Media Creation Tool will now begin the download for a Windows 10 ISO armed with the Windows 10 Enterprise edition.
Once it is downloaded, simply run the ISO and follow the on-screen installation steps.