﻿Create Generation 2 VM (for UEFI support).
Add second 8GB HD BootDisk. (Or how much space is needed.)
Set boot order with BootDisk first.
Disable Secure Boot. (Not always needed, can often be enabled after install.)
Do not boot VM.
Mount and FAT32-format BootDisk in Windows Disk Management.
Copy zip content to BootDisk.
Unmount BootDisk.
Boot VM.
Install guest OS.
Change boot order and/or remove BootDisk.