.vmx file (add these lines):
firmware = "efi"
secureBoot.enable = "FALSE"
A typical archived collection includes:
Archive.org (The Internet Archive) is a non-profit digital library. Unlike sketchy forum threads, Archive.org hosts "software collections" with virus scanning and checksum verification. So, does it host the mythical ISO? windows 10x iso archive.org
Yes, but with nuance.
You will not find a retail, Microsoft-authorized Windows 10X ISO there. Microsoft never released one. What you will find are leaked emulator images and converted VHDX files originally intended for developers. After creation, edit the
Windows 10X Build 20279.1002 (x64) – Leaked Developer ISO Mount the ISO, boot, and install
Since 10X was built for Hyper-V, this is the smoothest experience.