Where should I upload a .wsp solution in SharePoint 2010?

Have you ever gotten a .SharePoint 2010 wsp file and thought "Now what?". Well there are two ways to do this. You can upload the .wsp to the solution gallary within the site collection and the create a sub-site based on the .wsp. The videos below shows this technique.

 

You can also create an entire site collection based on the .wsp. The video below shows this technique.