The Fritz Trainer by ChessBase Opening Ari Ziegler is a chess software DVD that focuses on the French Defence. It is designed for use with Microsoft Windows operating systems and features a minimum processor speed of 300 MHz and 64 MB of RAM. The DVD includes a variety of instructional material in English, making it accessible for users looking to improve their chess skills. With an unlimited number of devices that can access the software, this product offers a comprehensive learning experience for chess enthusiasts.