<None Include="Assets\Plugins\x86\NuiDatabase\HDFaceTracker\EvalModel\right.p.txt" /> ...
If you don't want to take these steps for every Unity project, add the Jar to the Global Libraries instead of only the Libraries ...
C# is Unity’s primary language and is recommended for any newcomer to Unity game development. C# is a powerful, object-oriented, and easy-to-learn programming language, and it is the language Unity ...