If you're trying to run this on a Desktop PC; Silverlight is kind of like Microsoft's version of Java or Flash. You're going to have to make sure you have Silverlight installed. To check in Win7, click on START>then in the search box type in "Silverlight" (no quotes) and hit enter. If you have Silverlight this will open the control panel for it; just follow all of the defaults. If you're trying to do it on a tablet, or and iPad, or in a smart TV, or an Xbox it's the same idea, but the steps to get to it are different depending on the device. Hope this helps; it's the best answer I can provide with the information provided.
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If you're trying to run this on a Desktop PC; Silverlight is kind of like Microsoft's version of Java or Flash. You're going to have to make sure you have Silverlight installed. To check in Win7, click on START>then in the search box type in "Silverlight" (no quotes) and hit enter. If you have Silverlight this will open the control panel for it; just follow all of the defaults. If you're trying to do it on a tablet, or and iPad, or in a smart TV, or an Xbox it's the same idea, but the steps to get to it are different depending on the device. Hope this helps; it's the best answer I can provide with the information provided.