System Requirements

To make use of all of Critical Languages Series Online's features, your computer needs to meet these requirements:

• Web browser with javascript enabled, such as
  
  • Firefox 2.x or higher
    
  • Internet Explorer 7 or higher
    
  • Chrome 2.x or higher
    
  • Safari 4.x or higher
    
  • Other browsers may work, but have not been tested
    
• Adobe Flash Player version 8 or higher
• Screen resolution of 1024x768 or higher
• High speed internet connection (Cable, DSL, Fiber-optic, etc.)
• Speakers or headphones
  

Critical Languages Series Online has been tested to work on several different operating systems, including Windows 2000/XP/Vista, Mac OS X 10.5, and Ubuntu Linux 9.04.

Try our sample lessons to determine compatibility with your computer.

Mobile Lessons

To use Critical Languages Series Online Mobile Lessons, you will need

• A mobile MP3 player, such as an iPod, Sansa, Zune, smartphone, etc.
  
• Integrated lesson texts require a player with lyrics tag support (this includes iPod Classic, Touch, Nano, Mini, 5G, iPhone, and more)
• Optional PDF lesson texts require Adobe Reader or another PDF viewer.