Computer running Windows 8, Windows 7, Windows VISTA, XP, or Windows 2003/2008 Server with minimum configuration: 2 GHz + Processor speed with Sound Card. CD-ROM drive required. DVD drive needed if you want to transcribe from DVD media, with 8X minimum read speed, 16X recommended for best performance. PC Ram requirements: XP: 512 MB minimum, 1 GB preferred, Windows VISTA: 1 GB, Windows 7 and 8 : 4 GB minimum.