Some (official or not) upgrade Mvc3 to Mvc5 guide?

Question

There is a (non-Microsoft) NuGet package that allows upgrading the Mvc3 to Mvc4.

There is a (Microsoft) article that explains how to manually migrate from Mvc3 to Mv

Answer 1

As an answer that someone suggested, then for a unknow cause removed, I will add this article reference for the question above:

How to Upgrade an ASP.NET MVC 4 and Web API Project to ASP.NET MVC 5 and Web API 2