On Macs, in order to listen to the Calvary services you will need to install a Windows Media component for QuickTime. This FREE component will allow to stream Windows Media Video files. With Windows Media® for QuickTime, by Flip4Mac™, you can play Windows Media files (.wma and .wmv) directly in QuickTime Player and view Windows Media content on the Internet using a Web browser.
To install Windows Media Components for QuickTime:
1. Visit the Windows Media Components for QuickTime download page
2. Ensure your computer meets the minimum system requirements
3. Download and install the component
4. Follow the directions on the screen to install the component