What is a user account in windows

Definition of user Account:
   

A User account is the set of information about the people who is accesing it that tells windows about the files, folder and restriction of uses of Windows. The restriction refers to the drives that an account will use, the application, websites or games that a user can view.

There are 3 types of user account.

How To Enable Hidden Administrator On Windows 7 or Vista

The account is created in windows 7 or vista, but since it's not enabled you can't use it. if you are troubleshooting something that need to run as administrator, you can enable it with a simple command.

Enable Built-in Administrator Account

First you'll need to open a command prompt in administrator mode by right-clicking and choosing "run as administrator" or use the Ctrl+Shift+Enter shortcut from the search box