1. Create a Unity project that targets .NET 4.x (Edit -> Project Settings -> Editor -> Scripting Runtime Version). gRPC uses APIs that are only available in .NET4.5+ so this is a requirement.
1. Create a Unity project that targets .NET 4.x Equivalent (Edit -> Project Settings -> Player -> Configuration -> Scripting Runtime Version). gRPC uses APIs that are only available in .NET4.5+ so this is a requirement.
2. Download the latest development build of `grpc_unity_package.VERSION.zip` from
2. Download the latest development build of `grpc_unity_package.VERSION.zip` from