When users use a computer, they will not care what accounts are used, most of them are directly logged into the system by the system administrator account, but setting up an administrator account with full privileges may pose a security risk. Below is a small compilation of how to set up a blank password account with the net user command under Windows 8 systems.
Windows 8 Previous operating systems can easily use the "NET user username" or "NET user username" at the command prompt to set up a user with an empty password. However, this command is not valid under Windows 8.
After exploring, the correct way to use Windows 8 is: "NET user username *", and then do not enter a password, return two times, so that the establishment of a blank password account.
This is the operating technique for setting up a null password account under the net user command in Windows 8 systems. The last thing to note is that you use this command if your command prompt window or PowerShell is running as Administrator.