After opening the Active Directory Users and Computers snap in. Right click the users folder and choose new/user

 

Enter user information on the first page, choose next to continue.

 

On the password screen enter and confirm a new password. Make certain to uncheck the box User must change password at next logon, and to check the box Password never expires.

 

 After the user has been created. Right click the new user and choose properties. on the properties screen select the members of tab and add the administrators group.