Visual Studio 2012 project won't open in 2010

Question

I\'ve created a game for an assignment in Visual Studio 2012 and the university I\'m at uses 2010 and it won\'t open! It mentions something about NET Framework 4.5. How can

Answer 1

Missing library or framework could also cause this problem. For example, if you want to open a MVC4 or Silver Light project but you don't have these libraries installed at your PC.