How to create a "Hidden Windows"

The cryptographic deniability of VeraCrypt's (formerly TrueCrypt's) "Hidden Operating System" functionality was defeated by security researchers in 2017.

This had serious implications for anyone whose use case relied on the cryptographic security of forensically hiding their operating system, including the evidence of its existence.

As far as we know, there has not been a solution to overcome this in the public until the release of HiddenVM.

Here's a basic guide for how to create a deniable "Hidden Windows" using HiddenVM, with the Tails operating system as the host and Windows 10 as the hidden guest.

[To be finished later.]