The net user command comes in quite handy when you want to manipulate a user account. Here are the steps to add a user account from command line( Note: You must be logged in as an administrator to perform these tasks:

At the command prompt type the following: net user username /add /random /passwordchg:yes    . The /random switch will randomly generate a password for the user. The / passwordchg:yes switch will allow the user to change the password.

You can add this new user to a group by using the net localgroup command e.g net localgroup “administrators” username /add