Installation instructions for The Digital Frog 2 can be found in the booklet that accompanies your copy of the CD-ROM.


The Digital Frog will work best on any Windows machine under the following conditions:

  • 32 MB of available RAM or more
  • All other applications are closed
  • Do not switch between applications while running The Digital Frog 2.1
  • Virtual Memory is set to the Default Windows Setting
  • All screen saver programs are disabled
  • If Microsoft Office is installed, turn off the Control Bar.


The Digital Frog 2.1 can receive updates directly from the internet.

To ensure that you have the latest updates, make sure you have an active internet connection. Then, from within the application, select Web Update from the toolbar. Next, click on Synchronize. Updates, if any, will be downloaded automatically and placed in System folder:Preferences:cache-cache:The Digital Frog 2.1.


The Digital Frog 2 does not ship with a license to run on a network. A network license must be purchased from Digital Frog International or one of our distributors.


    10 Mb/s network connection or better

    630 MB of free hard drive space for The Digital Frog 2.1 application and media
    Note: The number of concurrent users will depend on your license and the speed/power of your network setup.

Client Machines

    • Pentium 180MHz processor or better (Pentium II or better recommended)
    • 32 MB RAM
    • Windows 95 or better
    • If not already installed, you will need 8 MB hard drive space to install QuickTime
    • Sound card
    • VGA /SVGA displaying 640 x 480, 16-bit color

If you encounter problems while running one of Digital Frog International's software titles on your network, please email us for more help.


Please consult the ReadMe file on the CD-ROM for basic troubleshooting.

You have upgraded your hardware and the program will not run
The Digital Frog 2 may not run under Vista. With proof of purchase, you can upgrade to The Digital Frog 2.5 for only 35% of List. Contact us at for help.

The program appears in a box surrounded by black
The Digital Frog 2 was designed to run at a screen resolution of 640 x 480. To use the program full-screen, you may need to change the screen resolution. This can be done with the "Displays" settings in your system's "Control Panels".

There is a factual problem with the Digestive System crossword
There is a factual error with one of the clues in the crossword in the Digestive System section. A replacement of page 6 with the error corrected is below in PDF format (readable with Adobe Acrobat Reader, which is included on the CD or can be downloaded from Adobe's website). If you require the file in other formats (Word or Pagemaker), please contact us at and we can send them to you.

Digestive System crossword PDF (Teacher)
Digestive System crossword PDF (Student)

If you encounter a problem that isn't covered here, please email or contact us us for more help.