This CD-ROM contains over 10,000 new words and more than 17,000 new audio pronunciations. World English definitions plus word origins, usage notes and historical essays are included. As well as the Encarta dictionary, the CD-ROM also includes four other works of reference; a thesaurus, a book of quotations, a concise French dictionary and a concise German dictionary. Features required: Microsoft Windows 95/98 (16MB RAM), Windows NT Workstation 4.0 (24 MB RAM) with service pack 5 or later, Windows 2000 Professional (64 MB RAM) or Windows Me (32 MB RAM) operating system. A local bus video with 1 MB or more of video memory. Microsoft Mouse, Microsoft IntelliMouse, or compatible pointer. 16-bit sound card with speakers or headphones.