I have used Entity Framework in Visual Studio 2012. Build entity model by \"reverse engineer code first\".
But when I setup Visual Studio 2015 just now, and setup EF
You can simply follow this 2 step-
Download the file from here.
Follow this video tutorial (please run code snippet to see the tutorial) -
<iframe width="100%" height="300" src="https://www.youtube.com/embed/yQN2Iuqb8kw" frameborder="0" allowfullscreen></iframe>
More can be found here (written tutorial).
If any problem of viewing the tutorial, please follow this link for tutorial.
I think, this is enough for installing and it will solve your problem :)
Now that VS 2015 is released, you will want to use EntityFramework Reverse POCO Generator https://visualstudiogallery.msdn.microsoft.com/ee4fcff9-0c4c-4179-afd9-7a2fb90f5838. ALthough the instructions are a little involved, the tweaks/workarounds mentioned above are no longer needed, and it works great.