You must have ITunes installed and if you have installed ITunes and it still doesn't work download the latest version here.
Go to http://online.darton.edu/podcast/
Click on the Podcast link you wish to subscibe to:

ITunes should automatically open and go to the Podcast page for which the link you selected. (ITunes must be installed)
Click on "SUBSCRIBE" circled on this page in red.

Click on Subscribe if you are asked again.

Click on "Podcasts" on the left side of ITunes.

Click on Get to begin downloading the podcast file.
If you see a X the download is in progress. If you see just a symbol the download is complete and ready to be played.

Double click on the file to being playing. You can also single click and click the play button near the top left corner.
You will see the video begin playing in the bottom left.

If you want to play the video outside of the box simply click on the video and it will pop out.
