CR for VS does not require the dll to be copied, just the line in the app.config to be present.
CR for VS still has a dependency on the 2.0 framework so make sure it's installed also. If using Windows 10 it's in the Programs and feature, also noted on the download page.
I believe that is what the error message is describing.
And you do need this in your app.config file:
<startup useLegacyV2RuntimeActivationPolicy="true">
Don