How to install Win 8 CP without input key

A lot of people use Windows 8 CP because of the legendary speed, what is fast to install, fast to boot, fast to run, etc.
The biggest pain in the installation process is to enter the key, like Users of hard disk installation and virtual CD-ROM installation are fine. You can simplify the key input by copying and pasting. For those who use CD-ROM and USB disk installation, you need to remember the key somewhere before installation, and then install it. One by one, typing on the keyboard, if you lose it, you have to find it again. It is really troublesome.
I think this step is the most cumbersome to install. The rest are according to the “Next” button, right?
With the following method, you can forget that the key of the pain is entered into the preparation:
The following two softwares are prepared in your Windows, if you do not download the
Notepad program
UltraISO< Br>1: Open Notepad (Where is the notepad, I don't need to say it)
2: Enter the following text (ps: you can also copy &hellip directly).
[pid]
Value =DNJXJ-7XBW8-2378T-X22TX-BKG7J
3: Save the file name to pi d, the format is txt (yes, you are not mistaken, it is txt)
4: Then open UltraISO, pay attention to use “ run as administrator 
5: then open your Windows 8 with UltraISO CP image, the directory is switched to the sources folder, copy the pid.txt file you just saved to the sources folder, save or save your modified image, and use it for various installations later.
6: If you The original image has been decompressed and mirrored to the hard disk or written to the USB flash drive. Please copy the pid.txt file to the sources folder under your installation directory file. The effect is the same.