System access on Windows

How to get a system level privilege on Windows?
Just by some simple steps in cmd.exe
The system level privilege is higher than Administrator account.
You can do anything similar to the root account in UNIX.
Kill system process, reset Administrator password that cannot be done by "Administrator" account.

1. cmd> at 20:20 /interactive "cmd.exe"
2. kill explorer.exe in task manager.
3. Execute "explorer.exe" in cmd.
4. Get it.