• Intel® Pentium® / 1 GHz processor (for example, Pentium® M, Pentium® 4), or equivalent AMD® processor - Faster processors will yield faster performance
• 1 GB RAM
• 1 GB free hard disk space
• Windows 2000, Windows XP Home and Professional, or Windows Vista™ (32-bit)
• Creative® Labs Sound Blaster® 16 or equivalent sound card supporting 16-bit recording
• Microsoft® Internet Explorer 5 or higher (free download available at www.microsoft.com)
• CD-ROM drive (required for installation)
• Nuance-approved noise-canceling headset microphone (included)
• Speakers (required for playback of recorded speech and text to speech features)
• A web connection is required for activation
• For Citrix deployment system requirements, please visit http://www.nuance.com/naturallyspeaking/citrix
• For Bluetooth wireless microphone support, please visit http://support.nuance.com/compatibility/

During the install process the software checks to make sure your system meets these minimum requirements. If you do not meet the requirements, the software will not be installed.