You can download and install the ASP.NET MVC 3 RC2 build here. It can be installed on top of the previous
ASP.NET MVC 3 RC release (it should just replace the bits as part of its
The one component that will not be updated by the above
setup (if you already have it installed) is the NuGet Package Manager. If
you already have NuGet installed, please go to the Visual Studio Extensions
Manager (via the Tools –> Extensions menu option) and click on the “Updates”
tab. You should see NuGet listed there – please click the “Update” button
next to it to have VS update the extension to today’s release.
If you do not have NuGet installed (and did not install the
ASP.NET MVC RC build), then NuGet will be installed as part of your ASP.NET MVC
3 setup, and you do not need to take any additional steps to make it work.