System Requirements

Home » System Requirements

If you are experiencing problems with the lessons (lesson freezes, takes too long to buffer, or plays at different intervals), please try the following:

  • Log out and refresh before logging back in.
  • Update your browser. We recommend using the latest version of FireFox or Google Chrome.
  • Update Adobe Flash Player.
  • Make sure JavaScript and Cookies are enabled.
  • Make sure any ad-blocking software is disabled for the domain.
  • Pause the lesson and let it load to where you want to jump.

To view lecture presentations at, you will need a minimum screen resolution of 1280 x 768. If our custom interface is cut-off on your monitor, you will need to change your resolution or use the Full Screen option on the player.

In addition, you will need an Internet connection with sufficient bandwidth. Most of our videos will stream best with a downstream bandwidth of 3 Mbps or higher.

Be sure to view our free sample lectures to test for speed and performance before subscribing.


Please sign in to participate in this lecture discussion.

Resetting Your Password?

Start Learning Now

Our free lessons will get you started (Adobe Flash® required).
Get immediate access to our entire library.

Membership Overview

  • Available 24/7. Unlimited Access to Our Entire Library.
  • Search and jump to exactly what you want to learn.
  • *Ask questions and get answers from the community and our teachers!
  • Practice questions with step-by-step solutions.
  • Download lecture slides for taking notes.
  • Track your course viewing progress.
  • Accessible anytime, anywhere with our Android and iOS apps.