First, make sure you have iTunes installed. This is a free application.
If you're using Firefox, sometimes the browser forgets how to handle iTunes links. Try the following:
In the URL location box type about:config" and tap the return key.
You will get a long list in the "filter" box type itms and tap the return key.
The list will be left with 1-2 things control/click OR right click on each item and choose RESET
Next, launch Firefox again and type the following in the URL "location box." itmss://deimos.apple.com/
Hit return. A drop down menu should appear. Check the box for "Remember my choice for all links of this type" and click on "Launch Application." iTunes will/should launch
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