How to make a bootable USB flash drive of your program?

Question

Boot disk

Hello.
You need to make a bootable USB flash drive like a LiveCD, you can even use Windows.
What is the point, after loading this kind of LiveCD, the Windows shell should not appear, the maximum that is needed is the wallpaper on the desktop.
Everything I need to run my program. Those. booted from a flash drive, the program opened.
As an example, I can cite the installation of Windows 7. Something similar, but instead of installing, my program opens.
How can this be implemented?

Answer 1

How can this be implemented?

In the general case, first, the OS is loaded using standard means, and then the program is loaded through the standard autorun of this OS.

Answer 2

For Windows it's called WinPE
https://technet.microsoft.com/en-us/library/cc7660...