1) Computer: works only on a PC with a Windows operating system

2) Browser: Internet Explorer 5.5 or above. Will not work with any other browser.

NOTE: If your version of the browser has a pop-up blocker, then you need to disable it.
If using IE 6.0, Perform the following steps:

(a) Go to Tools > Internet Options > Security > Internet > Custom Level

(b) Scroll down to: Use Pop-up Blocker and set it to 'Disable'.

3) Requires Windows Media Player 9.0 or above.

4) Requires Macromedia Flash Player 8 or higher:
http://www.macromedia.com/shockwave/download/download.cgi?
P1_Prod_Version=ShockwaveFlash

5) Headphones recommended. This program is audio intensive.
Headphones provide the best listening environment for the heart sounds
that are used in the PSB.

6) Run the program from the internet a high speed internet connection (cable, DSL, or faster)