Based on the Standard edition, the Professional edition adds support for Active Directory, allowing to reset password to any AD account including Domain Administrator's. This edition support Windows Server computers, and can instantly recover passwords to certain special/system accounts (e.g. IUSR_, HelpAssistant etc.) Short and simple passwords can be recovered with pre-configured attacks. This edition includes SAM database editor, and offers the ability to assign Administrator privileges to any user account. The Professional edition is licensed for business and commercial use.