• Windows XP 32/64-bit (from Service Pack 2), Windows Vista 32/64-bit
• Computer Processor 400 MHz/Windows XP, 1 GHz/Windows Vista, Dual-Core or Quad-Core processor recommended for advanced performance
• 256 MB of memory (RAM), 1GB recommended for advanced performance.
• 230 MB of free hard disk space for the application files and sample images, plus 70 MB working space during installation. An additional 170 MB for RealSpeak(tm) Solo speech modules.
• 1024x768 pixel color monitor with 16-bit color or greater video card
• CD-ROM drive for installation
• A sound card and speaker for reading text aloud
• A compatible scanner with its own scanner driver software for scanning documents.
• 2-megapixel digital camera with auto-focus or higher for digital camera text capture
• Web access needed for automatic product activation and Scanner Wizard database updating
• Microsoft .NET Framework 3.0 for Micorosoft Office 2007 and XPS formats

Note: Performance and speed will be enhanced if your computer's processor, memory, and available disk space exceed minimum requirements. This is especially true when converting very large color PDF files.