This download is an Evaluation Copy . It expires after 90 days. To get a "permanent" full version, you must supply a valid Windows 10 product key after attaching the VHD.

Clicking "Download Tool Now" was step one. But Arjun wasn't a normal user. He launched a terminal and ran the tool with the command-line alchemy he’d learned from a forum post at 3 AM two years ago:

If you need a permanent Home or Pro edition, you must create the VHD manually using the official Windows 10 Media Creation Tool . Microsoft Evaluation Center

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

If you want a "permanent" VHD that isn't tied to an evaluation license, your best bet is to create one yourself using a standard Windows 10 ISO. 1. Download the Windows 10 ISO

Restart your computer. You will now see a boot menu allowing you to choose between your primary operating system and your Windows 10 VHD environment. Final Tips and Security Warnings