The compiled install file proposed here is universal and completely safe. It is suitable for all versions of Hi12. There will be no problems with the activation or with the drivers.
But simplest way is not better, if one does not believe in such an automatic method of installing Windows.
If you want to control the process fully, you can install Windows in the usual way, as you do on a laptop or desktop PC.
However, it is necessary to take into account some of the nuances that will have to be faced after a clean installation of Windows, if you do not prepare for it properly in advance.
I recommend my post with recommendations for manual installation of Windows.