Error Loading Sharepoint Foundation Practice Files

When trying to load practice files for Sharepoint Foundation 2010 I get this error message:

"The site template requires that the Feature {fde5d850-671e-4143-950a-87b473922dc7}be activated in the site collection.

Correlation ID: {6132193e-a385-4230-a90d-367782b35c99}"

How do I determine what needs to be activated and the steps to activate it?
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