Minimum System Requirements
  Mac Win
System Mac OS X 10.5 or later, including
macOS Sierra 10.12
Microsoft Windows® XP SP2 or later, including Windows 10
Processor PowerPC G4 867 MHz or faster. Includes all Intel Macs. 800 MHz or faster
Memory 512 MB RAM 256 MB RAM (512 MB recommended)
Display 1024x768, Millions of Colors 1024x768, 32-bit color depth
Disk Space 1.7 GB 1.6 GB
Internet connection Required for online features Required for online features
Additional software   Microsoft .NET Framework 3.5 SP1, Microsoft DirectX 9.0c, Microsoft Visual C++ 2010 Redistributable Package, QuickTime 7.6.8 or later, Adobe Reader 10.1.1 or later

WORLD BOOK includes:

  • Every article in the 22-volume WORLD BOOK print edition
  • Thousands of editor-selected Web site links
  • A collection of editor-approved Webcams
  • WORLD BOOK Dictionary
  • WORLD BOOK Atlas with translucent 3D Globe
  • WORLD BOOK Trivia Challenge
  • WORLD BOOK Media Showcase
  • This Day In History Widget
  • Thousands of photos, illustrations, video clips, sound clips, poetry readings and speeches