Which version of MVC am I using?
I can't find it for some reason, feeling a little dumb. How do I know? I'm using .net 4 with VS2010. Open web.config file and find the System.Web.Mvc assembly definition: assembly="System.Web.Mvc, Version=3.0.0.0 ..." It's an MVC3 as you see. Via web you can use MvcDiagnostics which is similar to phpinfo() functionality in PHP. Select the System.Web.Mvc assembly in the "References" folder in the solution explorer. Bring up the properties window (F4) and check the Version Another solution is to search for mvc in nuget (right click on your MVC project in visual studio and select "Manage Nuget