QTBCE is free for registered users of QTB, designed for Windows 95 and Windows NT. QTB is available for $20/copy from http://www.starfire-inc.com
If you do not want to use QTB for Windows 95 and Windows NT, QTBCE can be purchased separately for $20/copy. For more information on registration, please read http://www.starfire-inc.com
Once you obtain a serial number and registration number, enter both of them into the About box, opened from the File menu. These numbers are case sensitive, so be sure to use a font that does not display ones and L's alike.