If you are using Windows, make sure you download and install the Windows Media Player Plugin/Extension for your browser:

Note: You may need administrative access to install the plugin/extension.

Internet Explorer users:

A pop up message will appear at the bottom of the page. Click the Allow button to install the extension.

Firefox users:

Step 1: Use the following link to go to the Windows Media Player plugin for Firefox download page:http://www.interoperabilitybridges.com/windows-media-player-firefox-plugin-download/

Step 2: Close all other browser windows, then click the Download Now link to download the plugin installer.

Step 3: After the download is finished, double-click the file to install the plugin. If you see a Security Warning dialog box appear, click Install.

If you see the following message after installation, you will need to follow some additional steps:

Step 1: Close Firefox.

Step 2: Go to C:\Program Files (x86)\Mozilla Firefox

Step 3: Copy the Plugins folder and paste it to C:\Program Files (x86)\Mozilla Firefox\browser\folder.

Step 4: Open Firefox.

Chrome users:

Step 1: Use the following link to go to the Windows Media Player extension for Chrome download page:http://www.interoperabilitybridges.com/wmp-extension-for-chrome

Step 2: Follow the steps on the page to download and install the extension.